Popular tools

Compress JPG, PNG and WebP images to a smaller file size in your browser.

Convert PDF pages into JPG images at your chosen resolution.

Count words, characters, sentences, lines and reading time as you type.

Resize images to exact pixel dimensions or scale them by percentage.

Convert images between JPG, PNG and WebP — in any direction, in one place.

Format, validate, minify and convert JSON to CSV, YAML and XML.

Turn JPG photos into a single PDF document with page size and margin options.

Convert length, weight, volume, temperature, data and more between any units.

Combine multiple PDF files into a single document, in any order.

Reduce PDF file size so documents fit under email and upload limits.

Convert text between UPPERCASE, Title Case, camelCase, snake_case and more.

Crop images to any area or a fixed aspect ratio with a visual editor.

Work out percentages, discounts, tax and tips — with the working shown.

Extract pages or page ranges from a PDF into new documents.

Encode and decode Base64, URL percent-encoding and HTML entities.

Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.

Calculate the time between dates, someone's age, or a date in the future.

Strip duplicate lines, extra spaces, HTML tags and smart quotes from text.

Convert PNG images into a PDF document with layout and background options.

Test regular expressions with live match highlighting and capture groups.

Rotate PDF pages 90, 180 or 270 degrees — all pages or just some.

Compare two texts and see exactly which lines were added, removed or changed.

Convert Unix timestamps to dates and back, in any unit.

Convert an image into a Base64 data URI for use in CSS, HTML or JSON.

Loan repayments, compound interest, profit margin, break-even and ROI.

Inspect the EXIF data hidden inside a photo — camera, settings, date and GPS.

Sort lines alphabetically, numerically or by length — or shuffle and reverse them.

Create QR codes for links, text, Wi-Fi networks and contact details.

Convert text to and from binary, hexadecimal, Morse code and Unicode escapes.

Roots, exponents, factorials, GCD, LCM, primes and factorisation.

Generate strong random passwords and memorable passphrases.

Mean, median, mode, standard deviation, quartiles and outliers from any data set.

Generate UUIDs in bulk — random v4 or time-ordered v7 identifiers.

Convert a colour between HEX, RGB, HSL, HSV, CMYK and OKLCH.

Build harmonious colour palettes from one base colour, ready to copy as CSS.

Check any colour pairing against the WCAG AA and AAA contrast requirements.

Build CSS gradients, box shadows, text shadows and border radii visually.

Generate meta, Open Graph and Twitter tags with a live search preview.

Build and validate a robots.txt file, and test which paths are blocked.

Find which words and phrases your text actually emphasises.

Build tag and hashtag lists that fit each platform's character budget.

Current image dimensions and safe zones for every major platform.

Count captions and posts the way each platform actually counts them.

Turn part of a video into an animated GIF, entirely in your browser.

Capture a still image from any moment in a video, at full resolution.

Make an image background transparent, entirely in your browser.

Format or minify CSS without corrupting strings and data URIs.

Build a flex layout visually and copy the CSS.

Design a CSS grid layout visually and copy the CSS.

Turn a JSON sample into type definitions for six languages.

BMI, calorie needs, body fat and ideal weight in one place.

Pull the real colour palette out of any image, ordered by coverage.

Add a text watermark to a photo at full resolution, in your browser.

Build, check and understand cron schedules, with the next run times.

Convert cups to grams by ingredient, scale recipes and convert oven temperatures.

Work out paint, tiles, flooring and concrete before you buy.

Add classic top and bottom captions to any image, in your browser.

Convert mouse sensitivity between games and work out your cm/360.