Basic Auth Generator
Generate and decode HTTP Basic Authentication headers instantly. Free online Basic Auth header generator.
Processed locally in your browser.
What is Basic Auth Generator?
HTTP Basic Authentication is a simple authentication scheme built into the HTTP protocol. It sends a Base64-encoded username:password pair in the Authorization header. For example, admin:secret123 becomes Basic YWRtaW46c2VjcmV0MTIz. Basic Auth is commonly used for API endpoints, development environments, and simple access control.
How to Use
- Select Generate or Decode mode
- In Generate mode: enter a username and password to create the Authorization header
- In Decode mode: paste a Basic Auth header value to reveal the credentials
- Copy the generated header or decoded credentials using the copy button
Examples
Generate Basic Auth header
Decode a Basic Auth header
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Frequently Asked Questions
Is Basic Auth secure?
Basic Auth alone is not secure because credentials are only Base64-encoded (not encrypted). Always use it over HTTPS so the header is encrypted in transit. For production applications, consider token-based auth (Bearer tokens, OAuth) instead.
When should I use Basic Auth?
Basic Auth is best for simple use cases: internal APIs, development/staging environments, webhook endpoints, and quick scripts. It's also commonly used with REST APIs that need a simple authentication layer.
What's the format of the Authorization header?
The header value is 'Basic ' followed by the Base64 encoding of 'username:password'. For example, user:pass becomes Basic dXNlcjpwYXNz. The colon separator is required.