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ScanChess: Chess Position Scanner

Chrome extension by sudoai.dev · Productivity · Tools

A Chrome extension in Productivity · Tools with 21 users, barely installed. Audience over the last 30 days: +12.

Specific sites only: 1 match pattern.

What the developer says, and 2 screenshots

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

Users
21
Rating
5.0 (1 ratings)
Users, last 30 days
+12
Rating, last 30 days
Steady over 30 days
Version
1.6.0
Updated in the store
2026-10-19
Published
2026-09-13
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+12 since 13.10
6-21 · 17 readings
2026-10-13: released 1.5.02026-10-19: released 1.6.0
  1. 2026-10-139released 1.5.0
  2. 2026-10-167
  3. 2026-10-186
  4. 2026-10-197released 1.6.0
  5. 2026-10-218
  6. 2026-10-229
  7. 2026-10-2310
  8. 2026-10-249
  9. 2026-10-2510
  10. 2026-10-2913
  11. 2026-11-0115
  12. 2026-11-0316
  13. 2026-11-0517
  14. 2026-11-0816
  15. 2026-11-0917
  16. 2026-11-1021
  17. 2026-11-1221
Rating
unchanged since 13.10
reviewsrating 5.00 · 17 readings
2026-10-13: released 1.5.02026-10-19: released 1.6.0
  1. 2026-10-13reviews1rating5.00released 1.5.0
  2. 2026-10-16reviews1rating5.00
  3. 2026-10-18reviews1rating5.00
  4. 2026-10-19reviews1rating5.00released 1.6.0
  5. 2026-10-21reviews1rating5.00
  6. 2026-10-22reviews1rating5.00
  7. 2026-10-23reviews1rating5.00
  8. 2026-10-24reviews1rating5.00
  9. 2026-10-25reviews1rating5.00
  10. 2026-10-29reviews1rating5.00
  11. 2026-11-01reviews1rating5.00
  12. 2026-11-03reviews1rating5.00
  13. 2026-11-05reviews1rating5.00
  14. 2026-11-08reviews1rating5.00
  15. 2026-11-09reviews1rating5.00
  16. 2026-11-10reviews1rating5.00
  17. 2026-11-12reviews1rating5.00
Users
+21 since 14.09
0-21 · 26 readings
2026-09-14: appeared in the store2026-09-15: released 1.3.02026-10-06: released 1.4.22026-10-13: released 1.5.02026-10-19: released 1.6.0
  1. 2026-09-140appeared in the store
  2. 2026-09-152released 1.3.0
  3. 2026-09-205
  4. 2026-09-254
  5. 2026-09-2712
  6. 2026-09-2814
  7. 2026-10-044
  8. 2026-10-087
  9. 2026-10-098
  10. 2026-10-139released 1.5.0
  11. 2026-10-167
  12. 2026-10-186
  13. 2026-10-197released 1.6.0
  14. 2026-10-218
  15. 2026-10-229
  16. 2026-10-2310
  17. 2026-10-249
  18. 2026-10-2510
  19. 2026-10-2913
  20. 2026-11-0115
  21. 2026-11-0316
  22. 2026-11-0517
  23. 2026-11-0816
  24. 2026-11-0917
  25. 2026-11-1021
  26. 2026-11-1221
Rating
+5.00 since 14.09
reviewsrating 0.00-5.00 · 26 readings
2026-09-14: appeared in the store2026-09-15: released 1.3.02026-10-06: released 1.4.22026-10-13: released 1.5.02026-10-19: released 1.6.0
  1. 2026-09-14reviews0rating0.00appeared in the store
  2. 2026-09-15reviews0rating0.00released 1.3.0
  3. 2026-09-20reviews0rating0.00
  4. 2026-09-25reviews0rating0.00
  5. 2026-09-27reviews0rating0.00
  6. 2026-09-28reviews0rating0.00
  7. 2026-10-04reviews0rating0.00
  8. 2026-10-08reviews0rating0.00
  9. 2026-10-09reviews1rating5.00
  10. 2026-10-13reviews1rating5.00released 1.5.0
  11. 2026-10-16reviews1rating5.00
  12. 2026-10-18reviews1rating5.00
  13. 2026-10-19reviews1rating5.00released 1.6.0
  14. 2026-10-21reviews1rating5.00
  15. 2026-10-22reviews1rating5.00
  16. 2026-10-23reviews1rating5.00
  17. 2026-10-24reviews1rating5.00
  18. 2026-10-25reviews1rating5.00
  19. 2026-10-29reviews1rating5.00
  20. 2026-11-01reviews1rating5.00
  21. 2026-11-03reviews1rating5.00
  22. 2026-11-05reviews1rating5.00
  23. 2026-11-08reviews1rating5.00
  24. 2026-11-09reviews1rating5.00
  25. 2026-11-10reviews1rating5.00
  26. 2026-11-12reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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.scanchess.com/*
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.6.0
  2. Version 1.5.0
  3. Version 1.4.2 · Asked for fewer permissions (5, was 6)
Show the remaining 1
  1. Version 1.3.0 · Asked for more permissions (6, was 4)

What changed recently

  1. Package size changed
  2. Store description rewritten (125 → 120 characters)
  3. Released version 1.6.0 (was 1.5.0)
Show the remaining 9
  1. Package size changed
  2. Store description rewritten (106 → 125 characters)
  3. Released version 1.5.0 (was 1.4.2)
  4. Package size changed
  5. Asked for fewer permissions (5, was 6)
  6. Store description rewritten (102 → 106 characters)
  7. Renamed from "ScanChess: Capture to PGN & FEN" to "ScanChess: Chess Position Scanner"
  8. Released version 1.4.2 (was 1.3.0)
  9. Package size changed

Older entries and the full day by day series are in the app.

The publisher

sudoai.dev. Listed website: scanchess.com.

Like this one

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

  1. LearnChess: Chess Screenshot to Analysis Board Describes nearly the same job, smaller audience 114 users
  2. Chessions Chess Analyzer Describes nearly the same job, smaller audience 36 users ★ 5.0
  3. Chessvision.ai Chess Position Scanner Describes nearly the same job, with a large installed audience 100k users ★ 4.5
  4. ChessCheater: Analyze This Board Describes nearly the same job, smaller audience 73 users
  5. ChessInsights AI – Chess Analysis AI tool Describes nearly the same job, smaller audience 273 users ★ 4.8

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.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-10. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built