Quick source viewer

by Tomi Mickelsson · Developer Tools

FeaturedManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

View current page sources: HTML + Javascript + CSS

Users

20K

0 in 30 days

Rating

3.2 / 5

−0.36 in 30 days

Ratings

115

0 in 30 days

Store rank

#5,727

#4,910 among extensions

Version

1.5.1

updated 31 Jul 2025

Users

monthly, 3 years

Latest, 15 Oct 2026: 20,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

Latest, 15 Oct 2026: 115 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 Quick source viewer

Displays HTML, Javascript and CSS sources of a page in a fast and compact way. Source code is syntax colorized and beautified for easy reading. Badge in the toolbar shows Javascript node counts. File size and cache header is displayed. Display onclick handlers with inline javascript. Look and feel can be modified with custom CSS. Copy to clipboard. Line numbers. Selected urls can be hilighted in the list of source files. Open source - https://github.com/tomimick/chrome-ext-view-src Blog - http://tomicloud.com/2012/07/viewsrc-chrome-ext