About devkit
devkit is a collection of offline-first developer utilities built by yaro-labs.com. Every tool runs entirely in your browser -- nothing you type is sent to a server.
What devkit includes
- JSON Formatter -- format, validate, and minify JSON
- JWT Decoder -- decode header, payload, and signature
- Regex Tester -- test patterns with live match highlighting
- UUID Generator -- generate v4 UUIDs in bulk
- Base64 Codec -- encode and decode Base64 strings
- Hash Generator -- MD5, SHA-1, SHA-256, SHA-512 via Web Crypto API
- URL Encoder -- encode and decode URL components
- Text Diff -- compare two texts side by side
The yaro-labs.com family
devkit is the first of five tool-kit sub-sites under yaro-labs.com. devkit uses a dark theme; the others use light backgrounds with accent colors.
Built with
Built by Yaro Labs. Runs entirely in your browser — no server, no account.