Basic Auth Generator
Generates an HTTP Basic Authorization header from a username and password. Free, instant and 100% private in your browser.
Web Tools Runs in your browser
What does Basic Auth Generator do?
Generates an HTTP Basic Authorization header from a username and password. Paste your user:password on the left and NMSnabbit instantly shows the authorization header on the right. Everything runs locally in your browser — nothing is uploaded, so it stays private and works offline. You can process several values at once and copy the result with one click.
How to use the Basic Auth Generator
- 1 Type or paste your user:password into the input box.
- 2 The authorization header appears instantly in the output box as you type.
- 3 Enter several values separated by spaces or new lines to process them at once.
- 4 Click “Copy output” to copy the result.
What you can use it for
- Quickly generates an http basic authorization header from a username and password without installing anything.
- Checking results while learning or teaching how user:password and authorization header relate.
- Preparing or debugging data for programming, electronics or homework.
- Working privately when the data shouldn't be uploaded to a server.
Frequently asked questions
How do I use Basic Auth Generator?
Paste your user:password into the input field above. Basic Auth Generator runs instantly in your browser and shows the authorization header on the right — no button to press and nothing uploaded.
Is Basic Auth Generator free and private?
Yes. Basic Auth Generator is completely free with no sign-up, and it runs entirely client-side in your browser, so your data never leaves your device.
Can I process more than one value at once?
Yes. Enter several values separated by spaces or new lines and each one is handled independently, so you can batch-process in a single pass.
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