❓ Frequently Asked Questions
Is this tool secure?
Yes. Everything you enter stays in your browser and is never uploaded or logged.
What algorithms are supported?
This tool supports HS256 (HMAC with SHA-256), the most commonly used algorithm for JWTs. It uses the jose library for cryptographic operations.
Can I verify a JWT signature?
At the moment, this tool supports encoding and decoding. Signature verification and we plan to add more features soon.
Does it work offline?
Yes! Once the page is loaded, you can use the tool even without an internet connection.