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Decode JWT strings 100% locally in browser tab to verify claims.
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Developer & Text Tools
Decode JWT strings 100% locally in browser tab to verify claims.
Paste a JSON Web Token. The decoder splits header, payload, and signature segments, decodes Base64Url strings, and displays formatted JSON claims privately.
Decode JSON Web Tokens (JWT) to inspect header and payload claims securely. Yuitility keeps the workflow fast and focused, so you can complete the job without creating an account.
Frequently asked questions about calculation formulas, privacy, and usage.
Yes! JWT decoding is performed 100% client-side in your web browser. Tokens are never transmitted over the internet or logged.
Splits and decodes the algorithm Header, JSON Claims Payload, and displays Signature verification details.
Unix epoch timestamps are automatically converted into readable local date and time strings.
Tools that pair with the jwt token decoder in the same task.
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Open the md5 & sha256 hash generatorGenerate highly secure random passwords with customizable parameters and strength analysis.
Open the password generatorSee every tool in Developer & Text Tools, or browse all Yuitility tools.
{
"alg": "HS256",
"typ": "JWT"
}{
"sub": "1234567890",
"name": "Anubhav Mishra",
"iat": 1516239022
}