Basic Auth Generator - Free Online HTTP Auth Tool | IconVault
Generate HTTP Basic Authentication headers. Enter a username and password, get the base64 Authorization header. Free, in your browser.
Basic Auth Generator
Build HTTP Basic auth headers instantly
A colon inside the password is allowed - only the first colon separates username from password.
5 of 5 free runs left - everything stays in your browser.
Authorization header
Your header appears here
Enter a username and generate to get the ready-to-paste header.
Basic auth only encodes credentials - it does not encrypt them. Always use it over HTTPS, and prefer tokens or API keys where you can. Unicode usernames and passwords are encoded as UTF-8 before Base64, matching modern server behavior.
About this tool
IconVault's Basic Auth Generator builds a ready-to-paste HTTP Basic Authentication header from any username and password. It shows the base64-encoded credential and the full Authorization: Basic ... header, plus a matching curl snippet.
Perfect for testing protected APIs, staging sites, and webhook endpoints without hand-encoding credentials. Free and runs fully in your browser.
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