Base64 Decoder for JWT Tokens
Your data never leaves your browserJWT tokens have three Base64URL-encoded segments. Decode to inspect claims locally.
Example
[Paste a JWT token segment — the part between the dots — to decode its content]
Tips
- 1JWT uses Base64URL (- and _ instead of + and /).
- 2Decode first two segments only.
- 3Use JWT Decoder for full inspection.
Frequently Asked Questions
Base64 vs Base64URL?
Base64URL replaces + with - and / with _ for URL safety.
Send tokens to decoders?
No. Always decode locally.
Decode signature?
Possible but it's binary data.