Free online tools that just work

Use this free JSON formatter to format, validate, and minify JSON online. Paste your JSON to instantly pretty-print it or catch syntax errors — all in your browser.

This image compressor shrinks JPG, PNG, or WebP images in your browser by adjusting quality and format — no upload required.

Use this merge PDF tool to combine multiple PDF files into a single document in your browser, with drag-to-reorder before merging.

This password generator creates cryptographically secure random passwords with custom length and character sets, entirely in your browser via the Web Crypto API.

This QR code generator creates a downloadable QR code from any text or URL, with adjustable size and error correction level.

Use this BMI calculator to find your Body Mass Index (BMI) using metric or imperial units and see which weight category you fall into.

This color converter converts colors between HEX, RGB, and HSL formats with a live preview, and lets you copy any format with one click.

This word counter counts words, characters, sentences, and paragraphs in real time, plus gives you an estimated reading time. Free and instant, right in your browser.

This PDF editor lets you add text, shapes, highlights, and images to a PDF, fill form fields, and download the edited file — entirely in your browser.