All Tools

Combine multiple PDF files into one in seconds.

Extract pages or split a PDF into multiple files.

Convert each PDF page to a high-quality PNG/JPG.

Turn JPG/PNG images into a single PDF document.

Reduce image file size without visible quality loss.

Resize images to any dimension or percentage.

Crop images to a custom aspect ratio or pixel size.

Convert between JPG, PNG, WebP, GIF, and more.

Add a text or logo watermark to your images.

Remove image backgrounds 100% in-browser.

Calculate your Body Mass Index with metric or imperial units.

Compute monthly payments, interest, and amortization.

Find percentages, increase/decrease, and ratios instantly.

Calculate exact age in years, months, days, and hours.

Split bills and calculate tips for any group size.

Full-featured scientific calculator with history.

Convert length, weight, temperature, speed, and more.

Convert between HEX, RGB, HSL, HSV, and CMYK.

Encode or decode Base64 strings and files.

Validate, format, and minify JSON with syntax highlighting.

Count words, characters, sentences, and reading time.

Convert text to UPPER, lower, Title, or camelCase.

Compare two texts and highlight differences.

Generate placeholder text in paragraphs or words.

Generate QR codes for URLs, text, email, or Wi-Fi.

Create strong, secure passwords with custom rules.

Generate v4 UUIDs in bulk for development use.

Generate harmonious color palettes from any base color.

Focus timer with 25-min work sessions and break alerts.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.

Write, test, and debug regular expressions live.

Minify CSS for faster page loads.

Convert CSV to JSON or JSON to CSV instantly.

Convert between Roman numerals and Arabic numbers.

Convert numbers into English words for cheques and documents.

Convert between binary, hexadecimal, octal, and decimal.

Convert Markdown to clean HTML with live preview.

Analyse keyword frequency and density in any text.

Generate realistic fake names, emails, addresses, and more.

Validate email addresses for correct format instantly.

Generate Code128, EAN-13, and UPC barcodes instantly.

Calculate mean, median, mode, standard deviation, and more.

Calculate compound interest growth with charts.

Calculate ROI and total returns on any investment.

Calculate weighted grades and GPA for any course.

Calculate daily calorie needs and macronutrient ratios.

Calculate your pregnancy due date and week-by-week milestones.

Calculate the exact difference between two dates.

Decode and inspect JSON Web Token header, payload, and signature.

Beautify and format SQL queries for readability.

Encode or decode URLs and query string parameters instantly.

Parse and explain cron expressions in plain English.

Measure text readability using Flesch-Kincaid and other scores.

Convert any text into a URL-friendly slug.

Encode and decode HTML special characters and entities.

Convert between 30+ world currencies with up-to-date rates.

Calculate VAT / sales tax — add or remove tax from any amount.

Calculate monthly payments, total interest, and amortization schedule.

Calculate sale price, savings amount, and discount percentage.

Precise stopwatch with lap times and split tracking.

Set a countdown timer with audio alert when time is up.

Calculate and convert aspect ratios for images and videos.

Convert times across world time zones instantly.

Format, minify, and validate XML documents instantly.

Convert YAML to JSON and JSON to YAML instantly.

Compare two texts side-by-side and highlight differences.

Pick, convert, and explore colors in HEX, RGB, HSL, and CMYK.

Flip a virtual coin — heads or tails, with flip history.

Roll any dice — D4, D6, D8, D10, D12, D20, or custom.

Pick a random item from your list — ideal for decisions and giveaways.

Convert text to Morse code and Morse code back to text.

Convert any image to a Base64 string or data URL.

View and remove EXIF metadata from your photos instantly.

Flip images horizontally or vertically, rotate by any angle.

Convert SVG files to PNG at any resolution.

Calculate body fat percentage using the US Navy method.

Find the best bedtime or wake-up time based on sleep cycles.

Calculate your recommended daily water intake.

Find your fertile window and estimated ovulation date.

Project your retirement savings and estimate your nest egg.

Calculate your effective tax rate and tax owed by income bracket.

See how long to pay off your credit card and how much interest you'll pay.

Calculate the inflation-adjusted value of money over time.

Remove duplicate lines from any text, keeping only unique lines.

Sort lines of text alphabetically, by length, numerically, or randomly.

Generate stylish Unicode text — bold, italic, cursive, and more.

Convert any text to speech using your browser's built-in voices.

Check WCAG AA/AAA color contrast ratios for accessible design.

Build linear and radial CSS gradients visually with live code output.

Design CSS box shadows visually and copy the ready-to-use CSS.

Validate JSON data against a JSON Schema (draft-07) in your browser.

Build cron expressions visually — select schedule and get the cron string.

Generate signed JWT tokens with custom headers, payload, and secret.

Encrypt and decrypt text with AES-256 using the Web Crypto API.

Extract the dominant color palette from any image instantly.

Remove all EXIF metadata from images before sharing — protect your privacy.

Convert any image into ASCII art using browser canvas.

Add, subtract, multiply matrices and compute transpose and determinant.

Solve linear, quadratic, and cubic equations step by step.

Find the prime factors of any number and compute GCD and LCM.

Convert numbers between any base from 2 to 36 (binary, octal, hex, and more).

Calculate return on investment, net profit, and annualized ROI.

Calculate the break-even point in units and revenue for your business.

Calculate your net worth by adding assets and subtracting liabilities.

Calculate dividend income, yield, and growth projections.

Calculate your ideal body weight using 5 different medical formulas.

Calculate your daily protein, carbs, and fat targets based on your goals.

Calculate your 5 heart rate training zones based on your max heart rate.

Convert HTML markup to clean Markdown text instantly.

Evaluate options against weighted criteria to make better decisions.