An online tool for decoding, verifying and generating JSON Web Tokens.
JWT.io lets developers paste a token to inspect its header and payload and verify signatures. It also offers introductory material on the JWT standard and lists libraries.
The debugger is available to use without an account as of writing.
No, decoding only reads the contents; validity requires signature and claim verification.
Information and links are accurate as of the time of writing and may change. Always verify on the official site. This is an independent guide, not affiliated with the listed services.