Fast, clean developer tools that run entirely in the browser. No signup, no tracking, no server calls.
JSON Formatter
Format, validate, and minify JSON instantly. Auto-formats on paste.
Base64 Encoder / Decoder
Encode text or files to Base64, or decode Base64 strings instantly.
Regex Tester
Test regular expressions with live highlighting and capture groups.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates instantly.
UUID Generator
Generate random UUIDs (v4) instantly. Bulk generate, copy, and customize format.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files.
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and expiry status.
Protobuf Encoder / Decoder
Encode JSON to Protobuf binary and decode Protobuf messages back to JSON.