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