JWT & Auth
Decode JWTs, generate UUIDs, and work with authentication tokens
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) locally in your browser.
UUID Generator
Generate v1, v4, and v7 UUIDs in bulk — instantly in your browser.
TOTP Generator
Generate RFC 6238 TOTP codes from a base32 secret. Secret never leaves your browser — and never touches localStorage.
Bcrypt Verifier
Check whether a password matches a bcrypt hash. Inspects variant ($2a/$2b/$2y) and cost factor.
UUID Validator
Validate UUID format and detect its version (v1, v4, v7…). Extracts the embedded timestamp for time-based variants.
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