Runs locally
Basic Auth Decoder
Read user and password from a Basic header.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
Decoded locally. Do not paste a live password you would not show on screen.
Export and import are available after you sign in. Sign in
Decoding is local and does not verify the credentials.
About this tool
Debug an API call or a proxy config by seeing what a Basic authorization header actually carries. Paste the header or just the Base64 part to read the user and the password.
How to use it
- 01
Paste the Authorization header or its Base64 value.
- 02
Read the decoded user and password.
- 03
Fix the credentials in your client or config.
FAQ
Frequently asked questions
Is Basic Auth encrypted?
No. It is only Base64-encoded, which is why it must always be sent over HTTPS.
Does the tool check the credentials?
No. It only decodes them locally and never contacts a server.