Basic Auth Generator

Generate HTTP Basic Authentication headers instantly by entering username and password.

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About This Tool

This online Basic Auth Generator tool creates HTTP Basic Authentication headers for API testing, web development, and authentication workflows. Simply enter your username and password, and the tool will generate the Base64 encoded string and full Authorization header format. The tool includes validation, copy-to-clipboard functionality, and clear result display.

How to Use

  1. Enter your username in the username field
  2. Enter your password in the password field
  3. Click the 'Generate Basic Auth Header' button
  4. View the generated Base64 encoded string and Authorization header
  5. Use the copy buttons to copy the results to your clipboard
How to use online basic auth generator

Frequently Asked Questions

Find Quick Answers

What is HTTP Basic Authentication?
HTTP Basic Authentication is a simple authentication scheme built into the HTTP protocol where credentials (username and password) are encoded in Base64 and sent in the Authorization header.
Is my data secure with this tool?
Yes, all processing happens entirely in your browser. No credentials are sent to any server - the encoding is done locally using JavaScript.
What format does the tool generate?
The tool generates both the Base64 encoded string (username:password) and the complete Authorization header format: 'Basic [encoded_string]'.
Can I use special characters in my username or password?
Yes, the tool handles all characters including special symbols. The Base64 encoding will properly encode any valid UTF-8 characters.

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