Free Online Basic Auth Header Generator
Create a Basic Authorization header for API testing, HTTP clients, cURL commands, and development notes. The username and password are processed locally in your browser.
Basic Auth Header Generator
Generate an HTTP Basic Authorization header, cURL snippet, and decoded credential preview locally in your browser.
Paste Authorization: Basic ... or just the Base64 token. Local only.
Basic Auth is Base64 encoding, not encryption. Use it only over HTTPS.