CheckMate icon

CheckMate

by CheckMate · Tools
Manifest V3 in_app
View in Chrome Web Store Data as of 21 Oct 2026

CheckMate is a fact-checking tool that helps you verify the accuracy of information online.

Users
17
+4 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
6
0 in 30 days
Store rank
#162K
#136K among extensions
Version
0.20
updated 11 May 2025

Users

monthly, 18 months
0918May 2025Feb 2026Oct 2026
Latest, 21 Oct 2026: 17 usersMove the mouse over the chart for any month

Ratings count

monthly, 18 months
036May 2025Feb 2026Oct 2026
Latest, 21 Oct 2026: 6 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 CheckMate

CheckMate – AI-Powered Fact-Checking for the Web Misinformation spreads fast — fact-checking can’t keep up. CheckMate is a browser extension and mobile app that uses AI to automatically analyze news articles for reliability, bias, subjectivity, and image manipulation. CheckMate assigns each article a reliability score, backed by natural language processing, political bias detection, reverse image search, and source credibility analysis. It also compares claims with other sources to highlight contradictions or support. Designed for speed and scale, CheckMate brings real-time fact-checking to your fingertips — helping you navigate online content with confidence.

Growth

WindowUsersChangeRatingsRating
7 days+7+70.0%00.00
30 days+4+30.8%00.00
6 months+4+30.8%00.00
1 year+4+30.8%00.00

Version history

4 versions recorded
0.2011 May 2025
0.107 May 2025
0.055 May 2025
0.012 May 2025

Details

Category
Tools
First seen
2 May 2025
Size
686 KB
Languages
en
Pricing
in_app
Privacy policy
checkmate-ext.github.io
Extension ID
cmdelkkanmfafookdepieanibembakpf

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
activeTabstoragetabsidentity
Site access
https://*.facebook.com/http://localhost:5000/*http://127.0.0.1:5000/*https://checkmate-backend-api-1029076451566.us-central1.run.app/*http://127.0.0.1:8000/*

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