Duplicate ID Finder icon

Duplicate ID Finder

by 12 Moons · Developer Tools
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Finds all duplicate HTML IDs on the current page

Users
347
+32 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#51K
#43K among extensions
Version
1.5
updated 27 Feb 2023

Users

monthly, 3 years
30300569Aug 2023Jul 2024Oct 2026
Latest, 15 Oct 2026: 347 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
001Aug 2023Jul 2024Oct 2026
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 Duplicate ID Finder

This extension simplifies the detection of duplicate HTML IDs on webpages, making it easier for web developers to identify and resolve issues related to CSS and HTML.

Growth

WindowUsersChangeRatingsRating
7 days−8−2.3%00.00
30 days+32+10.2%00.00

Version history

2 versions recorded
1.526 Feb 2023
1.024 Feb 2023

Details

Category
Developer Tools
First seen
24 Feb 2023
Size
528 KB
Languages
en
Pricing
Free
Extension ID
ccebcgdpeapmjmihiaaoacmacbbpjagp

Permissions and risk

Minimal riskimpact 2, likelihood 0
Permissions
activeTabscripting
Site access
<all_urls>
Can read and change data on every website you visit.

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