Free online tools that just work

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

Convert text to UPPERCASE, lowercase, Title Case, Sentence case and more.

Generate placeholder text by paragraphs, sentences, words or lists — with classic Latin or themed flavors and HTML output.

Turn plain text into dozens of fancy Unicode font styles — bold, italic, cursive, small caps and more — to copy and paste anywhere.

Compare two texts and highlight every added, removed and changed line — side by side or inline.

Format, beautify, validate, minify, repair and explore JSON in a tree view — with key sorting, escaping and pinpoint error locations.

Convert colors between HEX, RGB, HSL, HSV, CMYK and OKLCH with a live picker, alpha, shades and harmonies.

Generate harmonious color palettes and CSS gradients from any base color, then copy HEX, CSS variables or gradient code.

Encode and decode Base64 for text, files and data URIs — with URL-safe, padding and line-wrap options.

Percent-encode and decode URLs, query strings and text — with component, full-URL and strict RFC 3986 modes.

Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text or a file — all in your browser.

Write Markdown and see it rendered live, then copy clean HTML — with GitHub-flavored tables, code and task lists.

Test and debug regular expressions live — highlight matches, inspect capture groups, toggle flags and try replacements.

Convert Unix timestamps to human-readable dates and back — in seconds or milliseconds, local time or UTC.

Convert a date and time between time zones — with automatic daylight saving and a side-by-side meeting planner.

Generate one or hundreds of random version 4 UUIDs — with uppercase, hyphen and braces options — and copy them in one click.

Create strong, random passwords with configurable length and character types.

Create custom QR codes — add a logo, colors and module styles, then download as SVG or PNG. All in your browser.

Convert length, weight and temperature between metric and imperial units — with a live conversion table and adjustable precision.

Pick one or many random numbers in any range — with unique draws, decimals, sorting and secure randomness.

Calculate the tip and total, split the bill between any number of people, and round up or down.

Calculate your Body Mass Index from height and weight, in metric or imperial, with your category and healthy weight range.

Work out X% of a number, what percent one number is of another, and any percentage increase or decrease.

Find your exact age in years, months and days — plus totals in weeks and days and a countdown to your next birthday.

Estimate your baby's due date from your last period, conception date, IVF transfer or an ultrasound — with a week-by-week timeline of your baby's size and weight.

Predict your next periods, ovulation day and fertile window — and see exactly where you are in your cycle today.

Compress and resize JPG, PNG and WebP images in your browser — adjust quality, set dimensions and batch process, with nothing uploaded.

Resize an image to exact pixel dimensions or by percentage, with aspect-ratio lock and common size presets — all in your browser.

Crop an image to any size or aspect ratio with a draggable selection box — square, 16:9, 4:3 and more — right in your browser.

Strip EXIF metadata, GPS location and camera info from JPG, PNG and WebP photos — losslessly, in your browser.

Crop, rotate, resize and retouch photos with live filters and adjustments — right in your browser, with nothing uploaded.

Automatically erase the background from any image and download a transparent PNG — all in your browser, nothing uploaded.

Convert images between JPG, PNG and WebP with quality control and batch download — right in your browser.

Combine multiple PDFs into one — free, fast, and fully private.

Split a PDF into separate files or extract the pages you need — free and in your browser.

Delete pages from a PDF in your browser — pick from thumbnails, download a clean file.

Turn JPG, PNG and WebP images into a single PDF — reorder pages and pick the page size and margins, all in your browser.

Turn PDF pages into JPG or PNG images — pick the pages, set the resolution and download one file or a ZIP.