URL Basic Auth Warning

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Displays a warning when you are about to visit a URL that contains basic auth credentials, to help prevent phishing attacks.

Users

839

−28 in 30 days

Rating

3.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#34K

#29K among extensions

Version

1.0

updated 24 Feb 2024

Users

monthly, 3 years

Latest, 15 Oct 2026: 839 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About URL Basic Auth Warning

Displays a warning when you are about to visit a URL that contains basic auth credentials, to help prevent phishing attacks. Clicking on a link to a URL like example.com@something.zip would take you to a website with the domain something.zip, which may not be what you expect, and may allow an attacker to conduct a phishing attack by imitating example.com. This extension should display a warning when this is happening, and may help prevent that. Of course, it is not a guarantee, and you are still responsible for your own security.