The formatters, encoders and inspectors developers use several times a day — collected in one place, and notable mainly for what they do not do: send your tokens, payloads and configuration to someone else's server.
Pretty-print, minify and validate JSON instantly
Inspect a token's header, payload and expiry
Test patterns with live match highlighting
Convert text to Base64 and back, safely
Percent-encode query strings correctly
Cryptographically random v4 identifiers in bulk
SHA-1, SHA-256, SHA-384 and SHA-512 checksums
Escape HTML safely, or decode entities back
More sets
Everything that works without an API
The ten tools people reach for most
Write, check, optimise and publish
Model a decision before you make it
