Generate a simple Basic header
Input
admin secret123
Output
Authorization: Basic YWRtaW46c2VjcmV0MTIz
Combines username and password as username:password and encodes the result.
Developer Tools
Review practical Basic Auth Header Generator examples so you can understand expected input, output, and common patterns faster.
Use this Basic Auth Header Generator to create a ready-to-copy Authorization header for HTTP Basic authentication. It is useful for API testing, manual requests, debugging, and documentation when you need the exact Basic header value generated from username and password.
Example pages are especially useful for developer tools because they show what good input looks like, what kind of output to expect, and how the tool behaves in common scenarios.
Input
admin secret123
Output
Authorization: Basic YWRtaW46c2VjcmV0MTIz
Combines username and password as username:password and encodes the result.
Input
user@example.com P@ssw0rd!
Output
Authorization: Basic dXNlckBleGFtcGxlLmNvbTpQQHNzdzByZCE=
Useful for copying directly into HTTP request headers.
Fix: Put the username on the first line and the password on the second line.
Fix: Basic Auth uses Base64 encoding, not encryption.
Fix: Use this only for systems that explicitly require HTTP Basic authentication.
After reviewing these examples, run the live tool with your own input. If your task involves a follow-up step, the related page can help you move to the next tool in the workflow.
Open the main Basic Auth Header Generator page and test your own real input.