Basic Auth Generator
Generate and decode HTTP Basic Authentication headers. Encodes credentials as Base64 per RFC 7617.
Encode
Decode
Enter username and password above to generate.
About Basic Authentication
FormatAuthorization: Basic <base64(user:pass)>
EncodingStandard Base64 (RFC 4648)
StandardRFC 7617 / RFC 2617
Security NoteUse HTTPS — credentials are only Base64 encoded, not encrypted
Colon in usernameNot allowed (first colon is the separator)