Browser-only credential tool

Basic Auth Encoder / Decoder

Generate HTTP Basic Authorization headers from a username and password, or decode existing headers to reveal the embedded credentials. All processing happens locally.

Local processingRFC 7617 compliantUTF-8 safe

Security note

Basic Auth is Base64-encoded, not encrypted. Anyone who intercepts the header can decode it instantly. Always use HTTPS when sending Basic Auth credentials.

Workspace

Enter credentials.

Username

Password

Output

Generated header.

Format

Authorization: Basic <base64>

Add the header to HTTP requests: curl -H "Authorization: Basic <token>" https://api.example.com

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