URL Marker

by Pete Davis · petedavis.dev · Developer Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Never mix up your local, test and live environment again! Markers show on pages and tabs. Share your settings with your team.

Users

+14 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#85K

#71K among extensions

Version

1.0.0

updated 10 Oct 2022

Users

monthly, 3 years

Latest, 16 Oct 2026: 96 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

Latest, 16 Oct 2026: 2 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 Marker

URL Marker is an essential extension for web developers, testers and content editors working with multiple environments. - Customisable markers shown at the top of the page - Drag and drop the marker if it gets in your way - The marker name also appears on the tab to help you multitask - Comes with some common environment settings to get you started - Share your JSON settings with your team