A code editor, JSON, diff, regex, encoders, hashes, QR codes and passwords - all in your browser.
Open, edit and save files on your computer in a full code editor - syntax highlighting, search, tabs - in your browser.
Format, validate and minify JSON - with the exact spot of any error - and convert between JSON and CSV.
Compare two pieces of text side by side and see exactly what was added, removed or changed - line by line and word by word.
Test a regular expression against your text - matches and groups highlighted live, with the pattern explained in plain English.
Base64, URL and HTML-entity encoding and decoding, and a JWT decoder - in your browser.
Make SHA-256, SHA-1, SHA-512 and MD5 hashes of text or a file - and check a download against its published hash.
Make a QR code for a link, Wi-Fi network, contact card, email or text - with your colors and logo - as PNG or SVG.
Make strong random passwords or easy-to-type passphrases, with their strength shown - generated on your computer.