CSS class finder

Upload or download a list of CSS classes and scan the current page for their presence.

As of May 2026, CSS class finder has 31 users and a 5.00/5 rating from 2 reviews in the Developer Tools category.

Usersup 10.7 percent+10.7%
31
31
Ratingno change0%
5.00
2 reviews
Reviewsno change0%
2
Version
1.0.5
Manifest V3

History

5 snapshots

Tracking since Apr 1, 2026.

31.5627.523.44Apr 1, 2026May 31, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 2026285.0021.0.5
Apr 21, 2026295.0021.0.5
May 6, 2026285.0021.0.5
May 18, 2026245.0021.0.5
May 31, 2026305.0021.0.5
Now315.0021.0.5

Permissions & access

Permissions
scriptingactiveTab
Host access
<all_urls>

Screenshots

CSS class finder screenshot 1

About

CSS Class Finder is a powerful Edge extension for developers, designers, and QA engineers. Effortlessly scan any web page—including all iframes—for the presence of specific CSS classes or design system components. Upload or link a JSON list of class names, and instantly see which are present, how many times they appear, and where they are used.

Key Features:

Upload or link a JSON file with your target CSS classes or component names.
Scan the current page and all iframes for matches.
Instantly see a color-coded, accessible table of results, including the number of instances for each class/component.
Visually annotate matched elements with high-contrast outlines and badges for easy auditing.
Download a sample JSON to get started quickly.
Modern, accessible UI with support for 100+ annotation colors.
Works with any design system.

Perfect for:

Design system audits
Accessibility and QA reviews
Rapid prototyping and debugging
Note: To clear annotations, simply refresh the page.

Take control of your CSS audits and component usage reviews—install CSS Class Finder today!

Technical

Version
1.0.5
Manifest
V3
Size
331KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
ocoagcbijpilbkkhaacnobnklijifkna
Developer ID
u9a955c0f12ebb1190bdfbe6e7e301efe
Developer Email
[email protected]
Created
May 22, 2025
Last Updated (Store)
May 23, 2025
Last Scraped
May 31, 2026
Website
Support URL

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Data sourced from the Chrome Web Store · last verified May 31, 2026.