Workbench

by mayzervan9 · exthub.app · Developer Tools

Established publisherManifest V3 in_app

View in Chrome Web Store Data as of 15 Oct 2026

On-page developer tools: colors, SEO, ruler, cookies, JSON. Free stays local. Pro syncs reports and palette via ExtHub.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#329K

#258K among extensions

Version

1.6.1

updated 31 Aug 2026

Users

monthly, 3 months

Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 15 Oct 2026: 0 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 Workbench

Workbench is a compact set of on-page developer tools that run entirely in your browser. Features: • Color picker — sample colors from the active page • JSON formatter — format JSON on the page • SEO audit — quick checks for common SEO signals • Page ruler — measure distances on the page • Password & UUID generators • Element outlines and responsive width presets (mobile/tablet) • Cookie list for the current site • Export page HTML as a local file Everything runs locally. No account. No remote servers. No analytics. Works on Chrome and Edge.