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JWT Decoder
Inspect JWT header and payload without sending tokens anywhere.
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Developer tool
SHA-256 Hash Generator
Generate SHA-256 hashes in your browser using the Web Crypto API.
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Frequently asked questions
Can I reverse a SHA-256 hash?
No. SHA-256 is a one-way hash function.
Does it use a library?
It uses the browser's built-in Web Crypto API when available.