25:00
Focus
Session 1 of 4 — long break after 4 pomodoros
Text Diff
Paste two blocks of text to compare them line by line.
Hide unchanged
Enter text in both fields to see the diff.
JSON Formatter
Paste JSON to validate, prettify, and explore.
Formatted output will appear here.
Markdown Previewer
Write Markdown on the left, see it rendered on the right.
Markdown
Preview
Preview will appear here.
Regex Tester
Write a pattern and test it against your string in real time.
/
/
Enter a pattern and test string to see matches.
Matches
Base64
Encode or decode Base64 strings and files.
URL Encoder / Decoder
Percent-encode or decode a string. Paste a full URL to parse its query params.
Hash Generator
Generate SHA hashes of any input string using the browser's Web Crypto API.
Enter text above to generate hashes.
JWT Decoder
Paste a JSON Web Token to inspect its header, payload, and expiry.
Header
Payload
Signature (raw)