Unix Timestamp Converter
Epoch ↔ human-readable time, UTC and local.
Tools
Every utility runs in your browser. Prefer sample data—never paste live production secrets.
Cron Expression Explainer
Five-field cron to plain English.
JWT Decoder
Decode header and payload locally.
UUID Generator
Bulk UUID v4 for tests and fixtures.
Base64 Encode / Decode
Text ↔ Base64 with a clear non-encryption warning.