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CheckMate: AI Fact Checker with Real Sources

Chrome extension by LazyCodeLab · Productivity · Tools

A Chrome extension in Productivity · Tools with 20 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
20
Rating
5.0 (1 ratings)
Users, last 15 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
1.0.0
Updated in the store
2026-09-04
Published
2025-02-19
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
19-21 · 9 readings
2026-09-04: released 1.0.0
  1. 2026-09-0120
  2. 2026-09-0221
  3. 2026-09-0419released 1.0.0
  4. 2026-09-0521
  5. 2026-09-0620
  6. 2026-09-0821
  7. 2026-09-0920
  8. 2026-09-1319
  9. 2026-09-1520
Rating
+5.00 since 01.09
reviewsrating 0.00-5.00 · 9 readings
2026-09-04: released 1.0.0
  1. 2026-09-01reviews0rating0.00
  2. 2026-09-02reviews0rating0.00
  3. 2026-09-04reviews0rating0.00released 1.0.0
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-09reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
Users
unchanged since 01.09
19-21 · 9 readings
2026-09-04: released 1.0.0
  1. 2026-09-0120
  2. 2026-09-0221
  3. 2026-09-0419released 1.0.0
  4. 2026-09-0521
  5. 2026-09-0620
  6. 2026-09-0821
  7. 2026-09-0920
  8. 2026-09-1319
  9. 2026-09-1520
Rating
+5.00 since 01.09
reviewsrating 0.00-5.00 · 9 readings
2026-09-04: released 1.0.0
  1. 2026-09-01reviews0rating0.00
  2. 2026-09-02reviews0rating0.00
  3. 2026-09-04reviews0rating0.00released 1.0.0
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-09reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 1 match pattern.

  • https://api.checkmate.lazycodelab.com/*
  • Add items to the right-click menu contextMenus
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.0.0 · Swapped which permissions it asks for

What changed recently

  1. Package size changed
  2. Swapped which permissions it asks for
  3. Store description rewritten (113 → 103 characters)
Show the remaining 3
  1. Moved to another store category
  2. Renamed from "CheckMate: AI-Powered Fact Checker" to "CheckMate: AI Fact Checker with Real Sources"
  3. Released version 1.0.0 (was 0.2.0)

The publisher

LazyCodeLab.

Like this one

Listings the catalog judges closest in what they say they do.

  1. Fact Checker Describes nearly the same job, smaller audience 9 users
  2. WaitWhat?! Describes nearly the same job, smaller audience 4 users
  3. Fact Sentinel: AI Fact Checker Describes nearly the same job, smaller audience 20 users ★ 5.0
  4. Infact — AI Fact Checker Describes nearly the same job, smaller audience 9 users
  5. Veratify Describes nearly the same job, smaller audience 11 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.