A Swiss Army knife for developers â Monaco-powered tools, all in one place.
Multi-tab scratch pad with syntax highlighting. Saved in your browser.
Pretty-print or minify JSON and XML. Pipe from the API Client.
Compare two texts with Monaco's native diff engine â side-by-side or inline.
Send HTTP requests with headers, params, and body. Pipe responses to other tools.
Encode plain text to Base64 or decode Base64 back to text.
Percent-encode or decode URL components.
Inspect JWT header and payload. Shows expiry status client-side.
Compute SHA-1, SHA-256, SHA-384, and SHA-512 hashes directly in the browser.
Convert between Unix timestamps, ISO strings, and human-readable formats.
Test regular expressions against a string and inspect every match.