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Basic Auth Decode

Decode HTTP Basic Authentication header

What is Basic Auth Decode?

Basic Auth Header Decoder extracts username and password credentials from HTTP Basic Authorization header strings (e.g. Basic dXNlcm5hbWU6cGFzc3dvcmQ=).

How to use Basic Auth Decode

Paste your HTTP Basic Authorization header string into the box to view decoded username and password values.

Key features

  • Decodes username and password from Basic Auth headers
  • 100% private client-side execution

Common use cases

  • Debugging HTTP Basic Auth header credentials during API testing

Technical details & standards

Strips the 'Basic ' prefix and decodes the Base64 payload splitting by colon (username:password). Runs 100% client-side for absolute credential privacy.

Frequently asked questions

Are my credentials sent to any server?

No. Decoding occurs entirely inside your browser memory.

Is my data safe?

All processing happens entirely in your browser. Your data never leaves your device and is never sent to or stored on a server.

Does it work offline?

Yes. Once the page has loaded, most tools keep working without an internet connection.

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