Tag
Security
These tools all use the Security tag, so it is easier to jump between similar jobs.
3 tools
← HomeJWT Decoder
Decode JWT headers and payloads locally in your browser. Inspect claims, expiry, issuer, and timestamps without sending tokens anywhere.
Base64 Encoder / Decoder
Encode and decode Base64 locally in your browser. Supports text conversion, URL-safe Base64, and file-to-Base64 export.
HTTP Security Headers Checker
Paste raw response headers or curl -I output to review common security headers locally, including CSP, HSTS, and COOP.