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FantasyFootballCalculator

Chrome extension by Left Brain Sports · Lifestyle · Entertainment

  • Trader

A Chrome extension in Lifestyle · Entertainment with 92 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 3 match patterns.

What the developer says, and 1 screenshot

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

Users
92
Rating
5.0 (1 ratings)
Users, last 30 days
+1
Rating, last 30 days
Steady over 30 days
Version
1.18
Updated in the store
2026-07-27
Published
2025-07-11
Manifest
V3
Browser access
3 site patterns

How it has moved

Users
+1 since 06.10
89-99 · 21 readings
  1. 2026-10-0894
  2. 2026-10-0998
  3. 2026-10-1095
  4. 2026-10-1197
  5. 2026-10-1396
  6. 2026-10-1695
  7. 2026-10-1796
  8. 2026-10-1897
  9. 2026-10-1999
  10. 2026-10-2098
  11. 2026-10-2196
  12. 2026-10-2292
  13. 2026-10-2391
  14. 2026-10-2493
  15. 2026-10-2590
  16. 2026-10-2891
  17. 2026-10-2992
  18. 2026-10-3094
  19. 2026-11-0189
  20. 2026-11-0492
  21. 2026-11-0592
Rating
unchanged since 06.10
reviewsrating 5.00 · 21 readings
  1. 2026-10-08reviews1rating5.00
  2. 2026-10-09reviews1rating5.00
  3. 2026-10-10reviews1rating5.00
  4. 2026-10-11reviews1rating5.00
  5. 2026-10-13reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-17reviews1rating5.00
  8. 2026-10-18reviews1rating5.00
  9. 2026-10-19reviews1rating5.00
  10. 2026-10-20reviews1rating5.00
  11. 2026-10-21reviews1rating5.00
  12. 2026-10-22reviews1rating5.00
  13. 2026-10-23reviews1rating5.00
  14. 2026-10-24reviews1rating5.00
  15. 2026-10-25reviews1rating5.00
  16. 2026-10-28reviews1rating5.00
  17. 2026-10-29reviews1rating5.00
  18. 2026-10-30reviews1rating5.00
  19. 2026-11-01reviews1rating5.00
  20. 2026-11-04reviews1rating5.00
  21. 2026-11-05reviews1rating5.00
Users
+36 since 01.09
56-99 · 36 readings
  1. 2026-09-0156
  2. 2026-09-0262
  3. 2026-09-0475
  4. 2026-09-0679
  5. 2026-09-0783
  6. 2026-09-0885
  7. 2026-09-0989
  8. 2026-09-1390
  9. 2026-09-1794
  10. 2026-09-2199
  11. 2026-09-2298
  12. 2026-09-2593
  13. 2026-09-2796
  14. 2026-09-2895
  15. 2026-10-0491
  16. 2026-10-0894
  17. 2026-10-0998
  18. 2026-10-1095
  19. 2026-10-1197
  20. 2026-10-1396
  21. 2026-10-1695
  22. 2026-10-1796
  23. 2026-10-1897
  24. 2026-10-1999
  25. 2026-10-2098
  26. 2026-10-2196
  27. 2026-10-2292
  28. 2026-10-2391
  29. 2026-10-2493
  30. 2026-10-2590
  31. 2026-10-2891
  32. 2026-10-2992
  33. 2026-10-3094
  34. 2026-11-0189
  35. 2026-11-0492
  36. 2026-11-0592
Rating
unchanged since 01.09
reviewsrating 5.00 · 36 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-09reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-17reviews1rating5.00
  10. 2026-09-21reviews1rating5.00
  11. 2026-09-22reviews1rating5.00
  12. 2026-09-25reviews1rating5.00
  13. 2026-09-27reviews1rating5.00
  14. 2026-09-28reviews1rating5.00
  15. 2026-10-04reviews1rating5.00
  16. 2026-10-08reviews1rating5.00
  17. 2026-10-09reviews1rating5.00
  18. 2026-10-10reviews1rating5.00
  19. 2026-10-11reviews1rating5.00
  20. 2026-10-13reviews1rating5.00
  21. 2026-10-16reviews1rating5.00
  22. 2026-10-17reviews1rating5.00
  23. 2026-10-18reviews1rating5.00
  24. 2026-10-19reviews1rating5.00
  25. 2026-10-20reviews1rating5.00
  26. 2026-10-21reviews1rating5.00
  27. 2026-10-22reviews1rating5.00
  28. 2026-10-23reviews1rating5.00
  29. 2026-10-24reviews1rating5.00
  30. 2026-10-25reviews1rating5.00
  31. 2026-10-28reviews1rating5.00
  32. 2026-10-29reviews1rating5.00
  33. 2026-10-30reviews1rating5.00
  34. 2026-11-01reviews1rating5.00
  35. 2026-11-04reviews1rating5.00
  36. 2026-11-05reviews1rating5.00

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: 3 match patterns.

  • *://*.yahoo.com/
  • *://fantasyfootballcalculator.com/*
  • *://*.fantasyfootballcalculator.com/*

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Left Brain Sports publishes 2 listings we track, 136 users between them.

  1. FantasyData Left Brain Sports · Lifestyle · Entertainment · published 2026-02-04 44 users

Like this one

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

  1. Sleeper Enhancement Describes nearly the same job, smaller audience 212 users
  2. FantasyFTBL Draft Assistant Describes nearly the same job, smaller audience 8 users
  3. JustWin: real-time AI recommendations for your live fantasy football draft Describes nearly the same job, smaller audience 11 users
  4. Fantasy Query Lens Describes nearly the same job, smaller audience 3 users
  5. Fantasy Score Predictor Describes nearly the same job, smaller audience 5 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.

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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 2026-11-04. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built