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AI-Powered Tools
AI for developers & job seekers
AI Form BuilderPick from 60+ ready-made forms worldwide or describe a custom form in any language. Edit fields, branding, digital signature, scan from image, and download PDF.AI Code ExplainerPaste code and get a plain-English explanation, with likely bugs flagged. Beginner or expert depth.AI SQL Query GeneratorDescribe a query in English and get correct SQL for Postgres, MySQL, SQLite or T-SQL, explained back to you.AI Error DiagnoserPaste an error or stack trace and get the root cause plus the exact code fix as a diff.AI Code Review AssistantGet feedback on your code split into Security, Performance and Style sections.AI Regex GeneratorTurn a plain-English description into a working regular expression, with an explanation and examples.AI Commit Message GeneratorTurn a git diff into a clean commit message — Conventional Commits, Gitmoji or plain style.AI README GeneratorGenerate a professional README.md from your project details, auto-detecting the stack from package.json.Test Case GeneratorPaste a function and get a thorough test suite for Jest, PyTest or JUnit covering edge cases.AI Docker Compose GeneratorDescribe your services or pick a stack template (MERN, Laravel+MySQL+Redis, Django+Postgres) and get a valid docker-compose.yml.AI Cron Expression ExplainerConvert plain English to a cron expression or explain any cron expression, with timezone-aware next run times.AI Cover Letter GeneratorPaste a job description and your background — get a tailored, ATS-friendly cover letter in seconds.ATS Resume CheckerUpload a CV and a job ad — see ATS parseability, keyword match, and a detailed issue list with fixes.AI PR Description GeneratorTurn a git diff or change summary into a clear pull request title and description with test plan.AI Interview Answer GeneratorGet STAR-method answers to behavioral and technical interview questions tailored to your experience.
Handwriting OCR
OCR, math LaTeX & note summaries
Handwriting to Text (OCR)Convert a photo of handwriting into digital text in any language, then optionally translate it.Handwritten Math to LaTeXPhotograph handwritten equations and get clean LaTeX — optionally with a step-by-step solution.Handwritten Notes SummarizerUpload a photo of handwritten notes and get a structured summary, outline, or study flashcards.Handwritten Form ExtractorPull filled fields from a handwritten form into JSON, CSV, or a Markdown table.Handwritten Table OCRTurn a photo of a handwritten table or grid into Markdown, CSV, or JSON rows.Handwriting to MarkdownConvert a handwritten page into clean Markdown with headings and lists.Arabic Handwriting to TextConvert Arabic handwriting from a photo into editable Arabic text, with optional translation into another language.Bengali Handwriting to TextConvert Bengali handwriting from a photo into editable Bengali text, with optional translation into another language.Chinese Handwriting to TextConvert Chinese handwriting from a photo into editable Chinese text, with optional translation into another language.Dutch Handwriting to TextConvert Dutch handwriting from a photo into editable Dutch text, with optional translation into another language.English Handwriting to TextConvert English handwriting from a photo into editable English text, with optional translation into another language.French Handwriting to TextConvert French handwriting from a photo into editable French text, with optional translation into another language.German Handwriting to TextConvert German handwriting from a photo into editable German text, with optional translation into another language.Greek Handwriting to TextConvert Greek handwriting from a photo into editable Greek text, with optional translation into another language.Gujarati Handwriting to TextConvert Gujarati handwriting from a photo into editable Gujarati text, with optional translation into another language.Hindi Handwriting to TextConvert Hindi handwriting from a photo into editable Hindi text, with optional translation into another language.Indonesian Handwriting to TextConvert Indonesian handwriting from a photo into editable Indonesian text, with optional translation into another language.Italian Handwriting to TextConvert Italian handwriting from a photo into editable Italian text, with optional translation into another language.Japanese Handwriting to TextConvert Japanese handwriting from a photo into editable Japanese text, with optional translation into another language.Kannada Handwriting to TextConvert Kannada handwriting from a photo into editable Kannada text, with optional translation into another language.Korean Handwriting to TextConvert Korean handwriting from a photo into editable Korean text, with optional translation into another language.Malayalam Handwriting to TextConvert Malayalam handwriting from a photo into editable Malayalam text, with optional translation into another language.Marathi Handwriting to TextConvert Marathi handwriting from a photo into editable Marathi text, with optional translation into another language.Persian Handwriting to TextConvert Persian handwriting from a photo into editable Persian text, with optional translation into another language.Polish Handwriting to TextConvert Polish handwriting from a photo into editable Polish text, with optional translation into another language.Portuguese Handwriting to TextConvert Portuguese handwriting from a photo into editable Portuguese text, with optional translation into another language.Punjabi Handwriting to TextConvert Punjabi handwriting from a photo into editable Punjabi text, with optional translation into another language.Russian Handwriting to TextConvert Russian handwriting from a photo into editable Russian text, with optional translation into another language.Spanish Handwriting to TextConvert Spanish handwriting from a photo into editable Spanish text, with optional translation into another language.Swedish Handwriting to TextConvert Swedish handwriting from a photo into editable Swedish text, with optional translation into another language.Tamil Handwriting to TextConvert Tamil handwriting from a photo into editable Tamil text, with optional translation into another language.Telugu Handwriting to TextConvert Telugu handwriting from a photo into editable Telugu text, with optional translation into another language.Thai Handwriting to TextConvert Thai handwriting from a photo into editable Thai text, with optional translation into another language.Turkish Handwriting to TextConvert Turkish handwriting from a photo into editable Turkish text, with optional translation into another language.Ukrainian Handwriting to TextConvert Ukrainian handwriting from a photo into editable Ukrainian text, with optional translation into another language.Vietnamese Handwriting to TextConvert Vietnamese handwriting from a photo into editable Vietnamese text, with optional translation into another language.
Freelancer Tools
Contracts, rates & client docs — free
Freelance Contract GeneratorFree freelance contract template & independent contractor agreement generator — scope, payment terms, IP, confidentiality, PDF download.Freelance Proposal GeneratorBuild a client proposal with summary, scope, timeline, pricing, and about section — export PDF.NDA GeneratorGenerate a one-way or mutual non-disclosure agreement and download it as a PDF.Freelance Rate CalculatorCalculate a sustainable hourly rate from income goals, expenses, billable hours, and profit margin.Project Quote CalculatorTurn hours, rate, expenses, and margin into a clear project quote with cost breakdown.Late Payment Fee CalculatorCalculate late fees on overdue invoices with flat or monthly percentage rates.Break-Even CalculatorFind how many projects or hours you need each month to cover fixed costs.Self-Employment Tax CalculatorEstimate US self-employment tax or Pakistan income tax on freelance net income — for planning only.Client Onboarding Form GeneratorGenerate a client intake questionnaire as a printable PDF or downloadable HTML form.Scope Change Order GeneratorDocument out-of-scope work with added cost and time — protect yourself with a PDF change order.Freelance Email Templates GeneratorGenerate personalized freelance emails for cold pitches, follow-ups, invoice reminders, retainers, testimonials, and scope changes.Freelance Project EstimatorBreak projects into phases and tasks, add expenses and profit buffers, and get a fixed quote with timeline and pricing comparisons — export PDF.
DevOps Tools
Configs, manifests & scripts
IP Subnet CalculatorCalculate network, broadcast, host range and mask from a CIDR block, with a visual bit breakdown.curl Command BuilderBuild a curl command from a form and export the equivalent Python requests and JS fetch code.Nginx Config GeneratorGenerate Nginx configs for reverse proxy, SSL termination, static sites and load balancing.Kubernetes YAML GeneratorGenerate a linked Deployment, Service and Ingress in one manifest from a simple form.GitHub Actions GeneratorGenerate a CI workflow YAML from ready-made Node, Python and Docker templates..env ValidatorValidate .env syntax and flag likely leaked secrets and API keys before you commit them.Crontab BuilderBuild a cron expression and validate it against a real parser, with the next 5 run times previewed.Backup Script GeneratorGenerate a cron-ready database backup script for Postgres, MySQL or MongoDB, with an optional S3 upload.Health Check Config GeneratorGenerate a ready-to-paste health-check script and JSON config for uptime monitors from an endpoint.Subnet Overlap VisualizerPaste multiple CIDR blocks or IP ranges and see their coverage and overlaps on a visual map.IP Address Info & ClassifierClassify an IP as private, public, CGNAT, loopback or reserved with plain-language context and reverse-DNS.Systemd Timer ExplainerExplain and build systemd OnCalendar expressions in plain English, with the next 5 run times.
Health & Fitness
Fitness, nutrition & wellbeing
Water Intake CalculatorEstimate your daily water needs based on weight, exercise and climate, shown in litres, cups and bottles.Macro CalculatorSplit your daily calories into protein, carbs and fat with diet-style presets and a per-meal breakdown.Heart Rate Zone CalculatorCalculate your 5 training heart-rate zones using the Karvonen method with your resting heart rate.Calories Burned CalculatorEstimate calories burned for dozens of activities using MET values, your weight and duration.One Rep Max CalculatorEstimate your 1RM from a lift and reps, with a full percentage-of-max training table.Running Pace CalculatorTurn a distance and time into pace per km and per mile, plus projected 5K, 10K, half and marathon times.Blood Alcohol (BAC) CalculatorEstimate blood alcohol concentration with the Widmark formula and a time-to-sober estimate.Protein Intake CalculatorFind your daily protein target range based on body weight and your goal.Waist-to-Hip Ratio CalculatorCalculate your waist-to-hip ratio and see your health-risk category by sex.Body Surface Area CalculatorCompute body surface area with the Mosteller and Du Bois formulas side by side.
Text Tools
Write, clean & transform text
Word CounterCount words, characters, sentences, paragraphs with reading and speaking time estimates.Character CounterCount characters with and without spaces in real time for tweets and bios.Case ConverterConvert text to UPPERCASE, lowercase, Title Case, Sentence case and more.Lorem Ipsum GeneratorGenerate placeholder dummy text by paragraphs, sentences or words.Remove Line BreaksStrip or merge line breaks and extra newlines from pasted text.Remove Extra SpacesRemove duplicate, leading and trailing whitespace from text.Find and Replace TextFind and replace words or patterns in bulk text, with regex support.Reverse TextReverse characters, words or lines of any input text.Text RepeaterRepeat a string or line a chosen number of times.Word Frequency CounterCount how often each word appears and rank them by frequency.Remove Duplicate LinesDelete duplicate lines from a list while preserving order.Sort Text LinesSort lines alphabetically, numerically or reverse their order.Text to SlugConvert a title or phrase into a clean URL-friendly slug.Binary TranslatorConvert text to binary and binary back to readable text.Morse Code TranslatorEncode and decode between text and Morse code, with optional audio.Fancy Text GeneratorTurn text into stylish Unicode fonts for social media bios.Bionic Reading ConverterBold the leading part of each word to aid faster reading.Text to HandwritingRender typed text as realistic handwriting on paper.Title Case ConverterConvert any text to proper title case for headlines, blog posts, and book titles.Text Diff CheckerHighlight additions and deletions between two blocks of text.Whitespace RemoverStrip all whitespace or collapse multiple spaces into one.Add Line NumbersPrepend sequential line numbers to each line of text.Text to ASCII ArtConvert words into large ASCII banner art.NATO Phonetic AlphabetSpell text using the NATO phonetic alphabet.Strikethrough Text GeneratorAdd strikethrough or underline Unicode styling to text.Upside Down TextFlip text into upside-down Unicode characters.Remove PunctuationStrip punctuation marks from text for clean processing.Text to SpeechRead typed text aloud using the browser speech synthesis API.Sentence CounterCount sentences and average sentence length in text.Capitalize Each WordCapitalize the first letter of every word in the input.Reading Time CalculatorEstimate how long it takes to read any text based on words per minute.Speech to TextFree voice dictation — speak into your mic and get editable text instantly. Urdu, English, Hindi and more. Copy or download.Language TranslatorTranslate text or CSV/Excel into one or many languages — each target gets its own column named after that language.
Developer Tools
Format, convert & debug code
JSON FormatterBeautify, validate and minify JSON with syntax highlighting.JSON to CSV ConverterConvert JSON arrays into downloadable CSV files.CSV to JSON ConverterParse CSV data into structured JSON output.Base64 Encoder/DecoderEncode and decode text and files to and from Base64.URL Encoder/DecoderPercent-encode and decode URLs and query parameters.JWT DecoderDecode a JWT into its header, payload and signature.Regex TesterTest regular expressions against sample text with live match highlighting.Timestamp ConverterConvert Unix epoch timestamps to and from human-readable dates.UUID GeneratorGenerate v4 UUIDs singly or in bulk.Hex to RGB ConverterConvert colors between HEX, RGB and HSL formats.Cron Expression GeneratorBuild and explain cron schedules with next-run preview.HTML Encoder/DecoderEncode and decode HTML entities in text.HTML MinifierRemove whitespace and comments to shrink HTML.CSS MinifierCompress CSS by stripping whitespace and comments.JavaScript MinifierMinify JavaScript source to reduce file size.JSON to YAML ConverterConvert between JSON and YAML formats.SQL FormatterBeautify and indent SQL queries for readability.Number Base ConverterConvert numbers between binary, octal, decimal and hex.QR Code GeneratorGenerate downloadable QR codes from text or URLs.CSS Gradient GeneratorVisually build linear and radial CSS gradients with code output.Markdown PreviewRender Markdown to live HTML side by side.XML FormatterBeautify and validate XML documents.JSON ValidatorValidate JSON syntax and pinpoint errors.Slug GeneratorCreate SEO-friendly URL slugs from text.ROT13 Encoder/DecoderApply the ROT13 letter-substitution cipher to text.Chmod CalculatorCompute numeric and symbolic Unix file permissions.User Agent ParserParse a user-agent string into browser, OS and device..gitignore GeneratorMerge multiple language, framework and OS templates into one .gitignore, with duplicate patterns removed.Regex ExplainerPaste a regular expression and get a plain-English, token-by-token breakdown of what it matches.Data File MergerMerge multiple JSON, CSV, TSV or XML files into one combined dataset, exportable as JSON or CSV.Duplicate File FinderFind exact duplicate files by content hash locally in your browser, flagging older copies as safe to delete.Mock Data GeneratorGenerate fake users or products as JSON or CSV for API testing and demos.PWA Manifest GeneratorBuild manifest.json and HTML tags to turn your site into an installable Progressive Web App.YAML to JSON ConverterConvert YAML to pretty-printed JSON instantly in your browser.PX to REM ConverterConvert CSS pixels to rem (and back) with a customizable root font size.JSON Diff CheckerCompare two JSON documents with path-level added, removed, and changed highlights.
Security & Password Tools
Passwords, hashing & crypto
Password GeneratorGenerate strong random passwords with adjustable length and character sets.Password Strength CheckerEstimate password strength and crack time in the browser.MD5 Hash GeneratorCompute the MD5 hash of any input text.SHA-256 Hash GeneratorGenerate SHA-256 hashes via the Web Crypto API.SHA-1 Hash GeneratorCompute SHA-1 hashes for text input.SHA-512 Hash GeneratorGenerate SHA-512 hashes for text.Bcrypt GeneratorHash passwords with bcrypt and verify them, with adjustable rounds.Bulk Password GeneratorGenerate many strong passwords at once for export.Passphrase GeneratorBuild memorable Diceware-style word passphrases.AES Text Encrypt/DecryptEncrypt and decrypt text with AES-GCM and a passphrase, fully client-side.HMAC GeneratorCompute HMAC signatures with a chosen hash and secret key.htpasswd GeneratorCreate Apache/Nginx htpasswd entries with bcrypt or APR1.Secure UUID GeneratorGenerate cryptographically secure v4 UUIDs.API Key GeneratorGenerate random API keys and secret tokens.Random Token GeneratorProduce secure random tokens of configurable length and charset.TOTP / 2FA Code GeneratorGenerate time-based OTP codes from a secret for 2FA testing.Hash IdentifierDetect the likely hash algorithm from a given hash string.CRC32 Checksum GeneratorCompute CRC32 checksums for text or data.Base64 Hash GeneratorHash input and output the digest in Base64 form.PIN GeneratorGenerate random numeric PIN codes of chosen length.WiFi QR Code GeneratorCreate a QR code that shares WiFi credentials for easy connection.CSRF Token GeneratorGenerate random anti-CSRF tokens for forms.NTLM Hash GeneratorCompute NTLM hashes from password input.Encryption Key GeneratorGenerate random AES keys in 128/192/256-bit lengths.Caesar Cipher ToolEncrypt and decrypt text using a shift-based Caesar cipher.ROT47 Encoder/DecoderApply the ROT47 substitution cipher to text.Password Entropy CalculatorCalculate the bits of entropy in a password.Salt GeneratorGenerate random cryptographic salts in hex or Base64.Argon2 Hash GeneratorHash passwords with Argon2id, with tunable parameters.JWT Signature VerifierVerify a JWT signature against a provided secret or key.
PDF Tools
Merge, split & convert PDFs
Merge PDFCombine multiple PDF files into one document in any order.Split PDFSeparate a PDF into multiple files by page ranges.Compress PDFReduce PDF file size while preserving readable quality.Rotate PDFRotate one or all pages of a PDF and save permanently.Delete PDF PagesRemove selected pages from a PDF document.Extract PDF PagesPull selected pages out into a new PDF file.Organize PDFReorder, rearrange, and sort PDF pages by drag and drop.JPG to PDFConvert JPG and other images into a single PDF.PNG to PDFTurn one or more PNG images into a PDF document.PDF to JPGConvert each PDF page into a downloadable JPG image.PDF to PNGRender PDF pages as high-quality PNG images.Images to PDFBatch combine multiple images into one ordered PDF.Extract Images from PDFPull all embedded images out of a PDF file.Add Page Numbers to PDFInsert customizable page numbers into a PDF.Add Watermark to PDFStamp text or image watermarks across PDF pages.Crop PDFTrim margins and crop the visible area of PDF pages.Protect PDFAdd a password and encryption to lock a PDF.Unlock PDFRemove a known password from a PDF file.Sign PDFPreview PDF pages, draw/type/upload signatures, drag & resize placement, multi-page signing — free in browser.Edit PDFAdd text, images, shapes, and annotations to a PDF.Fill PDF FormFill in and flatten interactive PDF form fields.Flatten PDFMerge annotations and form fields into static content.Resize PDFScale PDF pages to A4, Letter, or custom dimensions.Reverse PDF PagesFlip the page order of a PDF document.Split PDF in HalfCut each PDF page vertically or horizontally into two.Extract Text from PDFCopy all selectable text out of a PDF as plain text.PDF Page CounterInstantly count the number of pages in a PDF.Duplicate PDF PagesCopy and repeat selected pages within a PDF.PDF to WordConvert a PDF into an editable DOC/DOCX document.Word to PDFConvert DOC/DOCX documents into PDF files.TXT to PDFConvert plain text files into a formatted PDF document.CSV to PDFTurn CSV spreadsheet data into a readable PDF.Excel to PDFConvert CSV exports from Excel into PDF files.PDF to ExcelExtract PDF table data and download as CSV for Excel.EPUB to PDFConvert EPUB ebooks to PDF for printing or sharing.CBZ to PDFConvert CBZ comic archives to a single PDF.PDF to CBZConvert PDF pages into a CBZ comic archive.PDF to PDF/APrepare PDFs for long-term archival (PDF/A style export).Bank Statement to ExcelExtract bank statement PDF data to CSV for Excel.
Image Tools
Resize, compress & convert images
Resize ImageChange image dimensions by pixels or percentage.Compress ImageShrink JPG/PNG/WebP file size with quality control.Crop ImageCrop images freely or to fixed aspect ratios.Rotate ImageRotate an image by 90 degrees or any angle.Flip ImageMirror an image horizontally or vertically.WebP to PNGConvert WebP images to lossless PNG format.WebP to JPGConvert WebP images to widely supported JPG.PNG to JPGConvert PNG images to compressed JPG files.JPG to PNGConvert JPG images to lossless PNG format.PNG to WebPConvert PNG images to smaller WebP files.JPG to WebPConvert JPG images to modern WebP format.HEIC to JPGConvert iPhone HEIC photos to JPG images.SVG to PNGRasterize SVG vector files to PNG at any size.PNG to SVGTrace a raster PNG into a scalable SVG vector.Image to Base64Encode an image into a Base64 data URI string.Base64 to ImageDecode a Base64 string back into a downloadable image.Favicon GeneratorCreate multi-size favicons and ICO files from an image.Image to ICOConvert PNG/JPG images into Windows ICO icons.Meme GeneratorAdd top and bottom text captions to an image.Add Watermark to ImageOverlay text or logo watermarks onto images.Image Color PickerPick HEX/RGB colors from any pixel of an image.Color Extractor from ImageExtract a dominant color palette from a photo.Collage MakerCombine multiple photos into a grid collage.Combine ImagesStitch images together horizontally or vertically.Passport Photo MakerCrop and size photos to passport/visa requirements.Grayscale ImageConvert a color image to black and white.Blur ImageApply adjustable blur to all or part of an image.Pixelate ImagePixelate or censor regions of an image.Image to PDFConvert images into a single downloadable PDF.Circle Crop ImageCrop an image into a transparent circle.JFIF to JPGConvert JFIF images to standard JPG format in your browser.JFIF to PNGConvert JFIF images to lossless PNG format.BMP to JPGConvert BMP bitmap images to compressed JPG files.BMP to PDFMerge BMP images into a single PDF document.AVIF to JPGConvert modern AVIF images to widely supported JPG.AVIF to WebPConvert AVIF images to efficient WebP format.GIF MakerCreate animated GIFs from multiple images in your browser.GIF ResizerResize animated GIFs with presets or custom dimensions.GIF RotatorRotate or flip animated GIFs on every frame.GIF TrimmerTrim GIF animations to a specific frame range.GIF OptimizerCompress and optimize GIF file size in your browser.GIF to VideoConvert animated GIFs to WebM video.GIF to PNGExtract all GIF frames as PNG images in a ZIP.GIF to JPGExtract all GIF frames as JPG images in a ZIP.GIF to WebPConvert GIF animation frames to WebP images.Aspect Ratio CalculatorFind aspect ratios from dimensions or scale width and height to 16:9, 9:16, 1:1 and more.Duplicate Photo FinderFind exact and similar photos in your browser — difference hash, keep the highest-resolution copy, folder scan, no upload.Home Color VisualizerUpload a photo of your home or room, try wall/door/furniture colors, and preview what looks best.Screenshot Auto-AnonymizerBlur or blackout faces, text, credit cards, and sensitive objects in screenshots — 100% private in your browser.
Color Tools
Pick, convert & build palettes
Color PickerPick any color and get its HEX, RGB, and HSL values.HEX to RGBConvert HEX color codes to RGB values.RGB to HEXConvert RGB values to a HEX color code.HEX to HSLConvert HEX colors to HSL format.HSL to HEXConvert HSL color values to a HEX code.RGB to HSLConvert RGB color values to HSL.RGB to CMYKConvert RGB colors to CMYK for printing.CMYK to RGBConvert CMYK print colors back to RGB.HEX to CMYKConvert a HEX color code to CMYK values.Color Palette GeneratorGenerate harmonious color palettes instantly.Gradient GeneratorBuild CSS linear and radial gradients visually.Color Contrast CheckerCheck WCAG contrast ratio between two colors.Color Shades GeneratorGenerate darker shades of a base color.Color Tints GeneratorGenerate lighter tints of a base color.Color WheelExplore complementary and harmony colors on a wheel.Color MixerBlend two colors and preview the mixed result.Color Blindness SimulatorPreview colors as seen with color vision deficiencies.Random Color GeneratorGenerate random colors with their codes.Complementary Color FinderFind the complementary color for any input color.Analogous Color GeneratorGenerate analogous color schemes from a base color.Triadic Color GeneratorCreate triadic three-color harmony schemes.Monochromatic Color GeneratorBuild a single-hue monochromatic palette.Color Name FinderFind the closest named color for any HEX value.CSS Gradient Background GeneratorGenerate copy-paste CSS gradient backgrounds.Box Shadow GeneratorBuild and preview CSS box-shadow code.Text Shadow GeneratorCreate CSS text-shadow effects with live preview.Hex Color to ImageGenerate a solid color image from a HEX code.Color from ImagePick and extract colors directly from an uploaded image.Hex to RGBAConvert HEX colors to RGBA with an alpha channel.Lighten and Darken ColorAdjust a color's lightness up or down by percentage.
Calculators
Finance, health & math
BMI CalculatorCalculate Body Mass Index from height and weight in metric or imperial units.Percentage CalculatorFind percentages, percentage change, and what percent one number is of another.Age CalculatorCompute exact age in years, months, weeks, and days from a date of birth.Loan CalculatorEstimate monthly payments, total interest, and payoff for any loan.Mortgage CalculatorEstimate full monthly PITI — principal, interest, taxes, insurance, HOA, and PMI — and compare 15-year vs 30-year cost.Compound Interest CalculatorProject investment growth with compounding over time and contributions.Tip CalculatorCalculate tip amount and split the total bill among multiple people.Discount CalculatorFind sale price and amount saved from an original price and discount percent.Sales Tax CalculatorAdd sales tax to a price or extract tax from a gross amount.Calorie CalculatorEstimate daily calorie needs for maintenance, loss, or gain.BMR CalculatorCalculate Basal Metabolic Rate to estimate resting calorie burn.TDEE CalculatorCompute Total Daily Energy Expenditure from BMR and activity level.Body Fat CalculatorEstimate body fat percentage using the US Navy method measurements.Ideal Weight CalculatorSuggest a healthy weight range based on height, age, and gender.Due Date CalculatorEstimate a pregnancy due date from the last menstrual period.Ovulation CalculatorPredict fertile windows and ovulation days from cycle data.Pregnancy CalculatorTrack pregnancy progress, week count, and key milestones.GPA CalculatorCompute grade point average from course grades and credit hours.Grade CalculatorCalculate final or weighted grades and the score needed to pass.Fraction CalculatorAdd, subtract, multiply, and simplify fractions.Scientific CalculatorFull-function calculator with trig, logs, exponents, and constants.Date CalculatorAdd or subtract days from a date and find the span between two dates.Hours CalculatorCalculate total hours and minutes between two times for timesheets.Time Duration CalculatorMeasure elapsed time between two date-times in multiple units.Countdown CalculatorCount down the days, hours, and minutes until any target date.Paycheck CalculatorEstimate take-home pay after taxes and common deductions.Salary CalculatorConvert pay between hourly, weekly, monthly, and annual rates.Sleep CalculatorSuggest bedtimes or wake times based on 90-minute sleep cycles.Random Number GeneratorGenerate random numbers within a custom range with options.Standard Deviation CalculatorCompute mean, variance, and standard deviation for a data set.Zakat CalculatorCalculate Zakat on gold, silver and wealth in your browser.Afghan Date ConverterConvert Shamsi (Solar Hijri) dates to Gregorian and back.Tasbih CounterDigital Tasbih counter for dhikr and Islamic remembrance.Salary Tax CalculatorEstimate income tax and net salary from gross pay.EMI CalculatorCalculate monthly EMI, total interest, and payment for home, car, or personal loans.VAT / GST CalculatorAdd or extract VAT and GST from any amount with a custom tax rate.Profit Margin CalculatorCalculate profit, profit margin %, and markup from cost and selling price.Debt Payoff CalculatorCompare snowball vs avalanche debt payoff plans with months, interest, and a payment schedule.Inflation CalculatorSee what today’s money will be worth later — or was worth in the past — using a custom inflation rate.SIP CalculatorEstimate mutual fund SIP maturity value, total invested, and returns — with optional annual step-up.CAGR CalculatorCalculate compound annual growth rate from beginning value, ending value, and years.FD CalculatorCalculate fixed deposit maturity amount and interest with monthly, quarterly, or yearly compounding.PPF CalculatorEstimate Public Provident Fund maturity, total invested, and interest with yearly contributions and compounding.SWP CalculatorEstimate Systematic Withdrawal Plan results — total withdrawn, returns earned, and remaining corpus from monthly withdrawals.RD CalculatorCalculate recurring deposit maturity amount and interest from monthly installments, rate, and tenure — with quarterly compounding or simple interest.Lumpsum CalculatorEstimate mutual fund lumpsum maturity value, total invested, and returns from a one-time investment, expected return, and tenure.EPF CalculatorEstimate Employee Provident Fund maturity, total contributions, and interest from basic salary, contribution rates, and years of service.NPS CalculatorEstimate National Pension System corpus at retirement from monthly contributions, expected return, tenure, and optional step-up — with lump-sum vs annuity split.Gratuity CalculatorEstimate gratuity payout from last drawn salary and years of service using the Payment of Gratuity Act (÷26) or private (÷30) formula — with half-year rounding.HRA CalculatorEstimate House Rent Allowance (HRA) tax exemption under Section 10(13A) — the minimum of actual HRA, rent minus 10% of salary, and 40%/50% metro rule.SSY CalculatorEstimate Sukanya Samriddhi Yojana maturity, total invested, and interest — deposits for up to 15 years, compounding through the full 21-year account tenure.SCSS CalculatorEstimate Senior Citizen Savings Scheme quarterly interest, total interest over tenure, and principal returned at maturity from a lump-sum deposit.NSC CalculatorEstimate National Savings Certificate maturity amount and interest from a lump-sum deposit, notified rate, and tenure — with annual compounding.ROI CalculatorCalculate return on investment (ROI %), net profit, and annualized ROI from cost and gain or final value — with optional holding period.XIRR CalculatorCalculate annualized XIRR from irregular dated cash flows — investments, SIPs with gaps, and redemptions — Excel-compatible planning math in your browser.Concrete CalculatorEstimate slab or column concrete in cubic yards, cubic meters, and 60 or 80 lb bags, with waste and bag cost.Paint CalculatorCalculate wall and ceiling paint gallons from room size, doors, windows, coats, and coverage.Gravel CalculatorConvert driveway or path area and depth into cubic yards, tons, and material cost for gravel, sand, or mulch.Square Footage CalculatorFind area in square feet and square meters for rectangles, circles, triangles, and trapezoids.Fuel Cost CalculatorEstimate trip fuel gallons, cost per person, and savings between two MPG ratings.Credit Card Payoff CalculatorSee months to pay off a credit card, total interest, and how much an extra monthly payment saves.Debt-to-Income CalculatorCalculate front-end and back-end debt-to-income ratios from gross income, housing, and other debts.Home Affordability CalculatorEstimate a maximum home price from income, debts, down payment, rate, and tax-and-insurance allowance.APR CalculatorCompare note interest rate with APR after upfront loan fees, plus the monthly payment.
Unit Converters
Convert any unit instantly
Length ConverterConvert between meters, feet, miles, kilometers, inches, and more.Weight ConverterConvert mass units like kilograms, pounds, ounces, and grams.Temperature ConverterConvert between Celsius, Fahrenheit, and Kelvin.Volume ConverterConvert liters, gallons, cups, milliliters, and other volume units.Area ConverterConvert square meters, acres, hectares, square feet, and more.Speed ConverterConvert mph, km/h, m/s, knots, and other speed units.Time ConverterConvert seconds, minutes, hours, days, weeks, and years.Pressure ConverterConvert pascals, bar, psi, atm, and mmHg.Energy ConverterConvert joules, calories, kilowatt-hours, and BTU.Power ConverterConvert watts, kilowatts, horsepower, and BTU/hour.Force ConverterConvert newtons, pounds-force, kilogram-force, and dynes.Angle ConverterConvert degrees, radians, gradians, and arcminutes.Data Storage ConverterConvert bytes, kilobytes, megabytes, gigabytes, and terabytes.Data Transfer Rate ConverterConvert bps, Kbps, Mbps, Gbps, and MB/s.Fuel Consumption ConverterConvert MPG, km/L, and L/100km fuel economy units.Density ConverterConvert kg/m3, g/cm3, lb/ft3, and other density units.Frequency ConverterConvert hertz, kilohertz, megahertz, and gigahertz.Cooking Measurement ConverterConvert cups, tablespoons, teaspoons, grams, and ounces for recipes.Shoe Size ConverterConvert shoe sizes between US, UK, EU, and centimeters.Ring Size ConverterConvert ring sizes across US, UK, EU, and diameter charts.Roman Numeral ConverterConvert numbers to Roman numerals and back.Number to Words ConverterSpell out numbers in words for checks and documents.Binary to Decimal ConverterConvert numbers between binary, decimal, hex, and octal.Bra Size ConverterConvert bra sizes between US, UK, EU, and FR systems.Clothing Size ConverterConvert clothing sizes across US, UK, EU, and international charts.Inches to CM ConverterDedicated converter between inches and centimeters.KG to Lbs ConverterDedicated converter between kilograms and pounds.Liters to Gallons ConverterDedicated converter between liters and US/UK gallons.Time Zone ConverterConvert a time between different world time zones.Currency ConverterConvert between USD, EUR, PKR, INR, AED and more with live mid-market rates.
SEO & Web Tools
Research, audits, schema & AI SEO
Meta Tag GeneratorGenerate title, description, and meta tags HTML from form inputs.Meta Tags AnalyzerParse pasted HTML to extract and audit meta tags for SEO issues.Keyword Density CheckerCount word frequency and density percentages in pasted text or HTML.Robots.txt GeneratorBuild a valid robots.txt file from allow/disallow and sitemap inputs.XML Sitemap GeneratorCreate an XML sitemap from a list of URLs with priority and frequency.Schema Markup GeneratorGenerate JSON-LD structured data for articles, products, FAQs, and more.Open Graph GeneratorProduce Open Graph (og:) meta tags for social link previews.Twitter Card GeneratorBuild Twitter/X card meta tags and preview the card.SERP Snippet PreviewPreview how a page appears in Google results with pixel-width checks..htaccess GeneratorGenerate .htaccess rules for redirects, caching, and security.URL Slug GeneratorConvert titles into clean SEO-friendly slugs with stop-word removal.Code to Text Ratio CheckerCalculate the ratio of visible text to HTML code from pasted markup.Robots Meta Tag GeneratorGenerate index/noindex/follow robots meta directives.Canonical Tag GeneratorCreate rel=canonical link tags to prevent duplicate content.Hreflang Tag GeneratorGenerate hreflang tags for multilingual and regional targeting.Keyword CombinerCombine and permute keyword lists into broad/phrase/exact match.UTM BuilderGenerate trackable campaign URLs with UTM source, medium, and name parameters.HTML Tag StripperRemove HTML tags to extract plain text from markup.Meta Description Length CheckerCheck meta description length with a live Google search preview — free, no signup.Meta Title Length CheckerCheck if your page title is the right length for Google — avoid truncation and improve CTR.Robots.txt ValidatorValidate robots.txt syntax and test URL allow/block rules.FAQ Schema GeneratorGenerate FAQPage JSON-LD from question/answer pairs.Breadcrumb Schema GeneratorCreate BreadcrumbList structured data from a page path.Redirect GeneratorBuild and explain 301/302 redirect rules for common server configs.Email ExtractorExtract or scan pasted text/HTML for exposed email addresses.Readability Score CheckerCompute Flesch reading ease and grade-level scores for text.Domain Name FinderSuggest available domain names from your project description — only shows domains that look free to register.LLMs.txt GeneratorBuild an llms.txt file so AI crawlers (ChatGPT, Claude, Google) discover your best pages.Security Headers GeneratorGenerate HSTS, CSP, X-Frame-Options and other OWASP headers for Nginx, Apache, or Cloudflare.ads.txt GeneratorCreate a valid ads.txt file for Google AdSense and ad networks.URL Page SEO AnalyzerPaste a page URL to fetch live HTML and audit title, meta, headings, schema, images, and links.Related Keywords GeneratorExpand seed keywords into questions, commercial modifiers, long-tail phrases, and combinations for research.Keyword Difficulty EstimatorEstimate keyword competitiveness from SERP signals like brands, content length, and authority.Search Intent ClassifierClassify keywords as informational, commercial, transactional, or navigational with page-type suggestions.XML Sitemap ValidatorValidate sitemap XML for parse errors, bad URLs, duplicates, lastmod dates, and the 50k limit.Heading Structure AnalyzerAudit H1–H6 outlines in page HTML for multiple H1s, skipped levels, and empty headings.SEO Audit ChecklistInteractive technical, on-page, E-E-A-T, and link audit checklist with progress saved in your browser.SEO Content ScoreScore on-page SEO for a draft — keyword placement, density, title/meta length, and scannability.Keyword Rank TrackerLog keyword rankings over time in your browser and export CSV reports — no API key required.Backlink Profile AnalyzerAnalyze Ahrefs/Semrush/Moz backlink CSV exports for anchors, referring hosts, and follow mix.Disavow File GeneratorBuild a Google Search Console disavow.txt from spam domains and URLs.Internal Link SuggesterSuggest internal links from your page list into a draft using keyword overlap scoring.Orphan Page FinderFind sitemap URLs with no internal links and linked URLs missing from the sitemap.Schema Markup ValidatorValidate JSON-LD structure for FAQ, HowTo, Product, LocalBusiness, and common schema errors.HowTo Schema GeneratorGenerate HowTo JSON-LD structured data from a title and step-by-step list.Local Business Schema GeneratorCreate LocalBusiness JSON-LD with NAP, geo coordinates, and business type.NAP Consistency CheckerCompare Name, Address, Phone across local citations to catch local SEO inconsistencies.Content Brief GeneratorAI SEO content brief with outline, PAA questions, keywords, and on-page checklist.AI Meta Tag WriterAI-written title tags and meta descriptions optimized for CTR and character limits.AI SEO Outline GeneratorAI article outline with H2/H3 structure tuned for featured snippets and search intent.URL Indexing ToolkitTrack URLs, fix index readiness, submit IndexNow, and verify Google/Bing site: status in one workflow.IndexNow URL SubmitterGenerate an IndexNow key and notify Bing/Yandex when URLs are published or updated.Indexing Readiness CheckerAudit a live URL for noindex, robots.txt blocks, canonical mismatches, and crawl barriers.URL Index Status CheckerSoft-check index presence and open Google/Bing site: verification links for any URL.AI SEO Page AuditAI technical and on-page SEO audit from pasted HTML or page text with prioritized fixes.
Content Creator Tools
Voiceovers, captions & scripts
Online Video EditorEdit videos in the browser — multi-clip timeline, trim/split/reverse, transitions, filters, FX, captions + SRT, logos, aspect ratios, speed & WebM export. Private on-device.Video Script StudioUpload any video → extract script, scene-by-scene remake plan, free stock B-roll links, and matching voiceover. Works for short or long videos.Text to SpeechConvert text to speech with 100+ voice actors, 50+ languages, 12 tone presets per actor — export SRT/VTT. 100% browser, no AI.
Converters & Generators
Data converters & generators
XML to JSON ConverterParse XML into JSON and back.Barcode GeneratorCreate barcodes in formats like Code128, EAN, and UPC.Hash Generator (MD5 / SHA)Compute MD5, SHA-1, and SHA-256 hashes of text.JSON to XML ConverterConvert JSON data structures into XML.HTML to Markdown ConverterConvert HTML markup into clean Markdown.Markdown to HTML ConverterRender Markdown into HTML with live preview.Color Converter (HEX / RGB / HSL)Convert colors between HEX, RGB, HSL, and HSV.CSV to TSV ConverterConvert CSV to TSV and Excel-friendly formats.SQL to JSON ConverterConvert SQL INSERT statements into JSON or CSV.Random String GeneratorGenerate random strings and API tokens with custom charsets.JSON to TypeScriptGenerate TypeScript interfaces from a JSON sample.List RandomizerShuffle or pick random items from a pasted list.Code MinifierMinify HTML, CSS, and JavaScript to reduce file size.Invoice GeneratorCreate professional PDF invoices with line items, tax, and instant download — no watermark.IBAN ValidatorValidate IBAN numbers for Pakistan, EU, UK and 80+ countries with mod-97 checksum.Email Signature GeneratorCreate a professional HTML email signature with name, title, contact, and brand color.vCard GeneratorGenerate a downloadable .vcf contact card for phones and email clients.ICS Calendar GeneratorBuild a .ics calendar event file for Google Calendar, Outlook, and Apple Calendar.Decision WheelSpin a colorful wheel to pick randomly from your list — lunch, chores, team decisions, and more.Pomodoro TimerFree focus timer with 25-minute Pomodoros, short/long breaks, task label, and optional alerts.
Home & Trade Calculators
Home, workshop, electrical & property
BTU CalculatorEstimate room cooling BTU from size, ceiling height, sun, people, windows, and a kitchen load, plus AC tons.AC Tonnage CalculatorConvert home square footage, insulation, and climate into cooling tons and BTU, rounded to the next half ton.CFM CalculatorCalculate airflow CFM from room volume and air changes per hour for a fan, hood, or workshop.Air Changes CalculatorFind air changes per hour from room cubic feet and fan CFM, plus minutes for one full air change.Lumber CalculatorCalculate board feet, linear feet, and lumber cost from thickness, width, length, and board count.Deck CalculatorEstimate deck boards, joists, and square footage from deck size, board width, gap, and joist spacing.Spray Foam CalculatorConvert wall area and foam thickness into board feet, spray foam kits, and material cost.Miter Angle CalculatorFind the miter saw angle and interior corner for a square, hexagon, octagon, or any equal-sided frame.Kerf CalculatorSee how many pieces a board yields after saw kerf, and how many boards to buy.Ohm's Law CalculatorSolve voltage, current, resistance, and watts with Ohm's law from any two electrical values.Voltage Drop CalculatorCalculate voltage drop and percent drop for copper or aluminum wire by AWG, amps, distance, and phase.Wire Size CalculatorPick a wire gauge from load amps, run length, voltage, and a maximum voltage-drop percent.kW to kVA CalculatorConvert kilowatts to kVA with power factor, and estimate single-phase or three-phase amps.Electricity Cost CalculatorEstimate appliance electricity cost from watts, hours per day, and your price per kWh.EV Charging Cost CalculatorCalculate electric vehicle charging cost, kWh, and hours from miles, efficiency, and charger kW.Closing Cost CalculatorEstimate buyer closing costs from lender fees, title, inspection, appraisal, and prepaid tax and insurance.Down Payment CalculatorCompare 3%, 5%, 10%, 20%, and a custom down payment, with loan amount and whether PMI is likely.Refinance CalculatorCompare your current mortgage payment with a refinance, including break-even months and total interest.Rental Property CalculatorEstimate cap rate, monthly cash flow, cash-on-cash return, and mortgage payment for a rental property.Seller Net CalculatorEstimate seller net proceeds after commission, mortgage payoff, closing costs, and repairs.Loan Comparison CalculatorCompare two loans side by side on monthly payment, total interest, and total amount paid.Budget CalculatorSplit monthly income across housing, food, transport, and debt, then see what is left and the savings rate.Vehicle Depreciation CalculatorProject car value year by year with a declining-balance depreciation rate.Marketplace Fee CalculatorCalculate seller fees, shipping, product cost, net profit, and margin for an online marketplace listing.Tithing CalculatorCalculate a tithe or any percent of weekly, monthly, or yearly income.Retirement CalculatorProject retirement savings from a current balance, monthly contribution, return, and years.Employee Cost CalculatorEstimate fully loaded employee cost from salary, benefits percent, and employer payroll tax.Absorption Rate CalculatorCalculate real estate absorption rate and months of housing supply from sales and active listings.Car Trade-In CalculatorUse this car trade-in calculator to compare your dealer's trade-in offer with your loan payoff, estimate positive or negative equity, and compare sales tax with and without a trade-in.Business Valuation CalculatorEstimate a small-business value from seller earnings and revenue using multiples you choose.Aquarium CalculatorConvert tank dimensions to gallons and liters, plus heater watts, water-change volume, and salt dose.Coffee Ratio CalculatorCalculate pour-over, French press, drip, cold brew, and espresso water from a coffee dose and brew ratio.3D Print Cost CalculatorEstimate 3D print cost from filament grams, spool price, print hours, printer watts, and electricity rate.Cat Age CalculatorConvert cat years and months into an approximate human-equivalent age.Plant Spacing CalculatorCount how many plants fit in a garden bed with square or triangular spacing.Compost CalculatorBalance browns and greens by volume and see how much to add for a target compost ratio.Hull Speed CalculatorCalculate displacement hull speed in knots, mph, and km/h from waterline length.Fuel Mix CalculatorCalculate 2-stroke oil for a 50:1, 40:1, 32:1, or 25:1 gas mix in ounces and milliliters.Molarity CalculatorCalculate solution molarity from grams and molar mass, or the grams to weigh for a target molarity.Hexagon Quilt CalculatorEstimate fabric area for hexagon quilt pieces from side length, seam allowance, and how many hexes you need.
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Social Media Tools
Captions, fonts & mockups