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Send Physical Mail using OnlineCheckWriter

Chrome extension by OnlineCheckWriter · Productivity · Tools

A Chrome extension in Productivity · Tools with 79 users, barely installed. Audience over the last 30 days: -5.

Specific sites only: 3 match patterns.

What the developer says, and 3 screenshots

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

Users
79
Rating
4.9 (289 ratings)
Users, last 30 days
-5
Rating, last 30 days
Steady over 30 days
Version
2.2.0
Updated in the store
2025-10-23
Published
2025-09-13
Manifest
V3
Browser access
1 permission, 3 site patterns

How it has moved

Users
-5 since 04.10
79-100 · 21 readings
  1. 2026-10-0598
  2. 2026-10-08100
  3. 2026-10-0999
  4. 2026-10-1098
  5. 2026-10-1193
  6. 2026-10-1397
  7. 2026-10-1497
  8. 2026-10-1693
  9. 2026-10-1794
  10. 2026-10-1899
  11. 2026-10-1992
  12. 2026-10-2194
  13. 2026-10-2289
  14. 2026-10-2388
  15. 2026-10-2485
  16. 2026-10-2583
  17. 2026-10-2685
  18. 2026-10-2880
  19. 2026-10-3081
  20. 2026-11-0179
  21. 2026-11-0379
Rating
+0.040 since 04.10
reviewsrating 4.893-4.933 · 21 readings
  1. 2026-10-05reviews290rating4.893
  2. 2026-10-08reviews290rating4.893
  3. 2026-10-09reviews290rating4.893
  4. 2026-10-10reviews290rating4.893
  5. 2026-10-11reviews290rating4.893
  6. 2026-10-13reviews290rating4.893
  7. 2026-10-14reviews290rating4.920
  8. 2026-10-16reviews290rating4.920
  9. 2026-10-17reviews290rating4.920
  10. 2026-10-18reviews290rating4.920
  11. 2026-10-19reviews290rating4.920
  12. 2026-10-21reviews290rating4.920
  13. 2026-10-22reviews290rating4.920
  14. 2026-10-23reviews290rating4.920
  15. 2026-10-24reviews290rating4.920
  16. 2026-10-25reviews289rating4.933
  17. 2026-10-26reviews289rating4.933
  18. 2026-10-28reviews289rating4.933
  19. 2026-10-30reviews289rating4.933
  20. 2026-11-01reviews289rating4.933
  21. 2026-11-03reviews289rating4.933
Users
-9 since 01.09
79-100 · 36 readings
  1. 2026-09-0188
  2. 2026-09-0386
  3. 2026-09-0482
  4. 2026-09-0683
  5. 2026-09-0784
  6. 2026-09-0887
  7. 2026-09-0988
  8. 2026-09-1391
  9. 2026-09-1592
  10. 2026-09-1798
  11. 2026-09-2192
  12. 2026-09-2287
  13. 2026-09-2583
  14. 2026-09-2786
  15. 2026-09-2884
  16. 2026-10-0598
  17. 2026-10-08100
  18. 2026-10-0999
  19. 2026-10-1098
  20. 2026-10-1193
  21. 2026-10-1397
  22. 2026-10-1497
  23. 2026-10-1693
  24. 2026-10-1794
  25. 2026-10-1899
  26. 2026-10-1992
  27. 2026-10-2194
  28. 2026-10-2289
  29. 2026-10-2388
  30. 2026-10-2485
  31. 2026-10-2583
  32. 2026-10-2685
  33. 2026-10-2880
  34. 2026-10-3081
  35. 2026-11-0179
  36. 2026-11-0379
Rating
+0.040 since 01.09
reviewsrating 4.893-4.933 · 36 readings
  1. 2026-09-01reviews290rating4.893
  2. 2026-09-03reviews290rating4.893
  3. 2026-09-04reviews290rating4.893
  4. 2026-09-06reviews290rating4.893
  5. 2026-09-07reviews290rating4.893
  6. 2026-09-08reviews290rating4.893
  7. 2026-09-09reviews290rating4.893
  8. 2026-09-13reviews289rating4.893
  9. 2026-09-15reviews289rating4.893
  10. 2026-09-17reviews290rating4.893
  11. 2026-09-21reviews290rating4.893
  12. 2026-09-22reviews290rating4.893
  13. 2026-09-25reviews290rating4.893
  14. 2026-09-27reviews290rating4.893
  15. 2026-09-28reviews290rating4.893
  16. 2026-10-05reviews290rating4.893
  17. 2026-10-08reviews290rating4.893
  18. 2026-10-09reviews290rating4.893
  19. 2026-10-10reviews290rating4.893
  20. 2026-10-11reviews290rating4.893
  21. 2026-10-13reviews290rating4.893
  22. 2026-10-14reviews290rating4.920
  23. 2026-10-16reviews290rating4.920
  24. 2026-10-17reviews290rating4.920
  25. 2026-10-18reviews290rating4.920
  26. 2026-10-19reviews290rating4.920
  27. 2026-10-21reviews290rating4.920
  28. 2026-10-22reviews290rating4.920
  29. 2026-10-23reviews290rating4.920
  30. 2026-10-24reviews290rating4.920
  31. 2026-10-25reviews289rating4.933
  32. 2026-10-26reviews289rating4.933
  33. 2026-10-28reviews289rating4.933
  34. 2026-10-30reviews289rating4.933
  35. 2026-11-01reviews289rating4.933
  36. 2026-11-03reviews289rating4.933

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.

  • https://app.onlinecheckwriter.com/*
  • https://live.onlinecheckwriter.com/*
  • https://onlinecheckwriter.com/*
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

OnlineCheckWriter publishes 3 listings we track, 259 users between them.

  1. Instant Checks by OnlineCheckWriter OnlineCheckWriter · Productivity · Tools · published 2025-09-29 144 users ★ 4.9
  2. Create Virtual Cards using Zil Money OnlineCheckWriter · Productivity · Tools · published 2025-10-07 36 users

Like this one

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

  1. PDFMAILER.PLUGIN Describes nearly the same job, smaller audience 299 users (last published figure) ★ 5.0
  2. 1ClickDispute Describes nearly the same job, smaller audience 18 users ★ 5.0
  3. PDFMailer – Send to Gmail Describes nearly the same job, smaller audience 21 users
  4. Postal Manager Describes nearly the same job, smaller audience 4 users
  5. AutoPrint Describes nearly the same job, smaller audience 16 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

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/efdpmmhbamieokmdelpgplnnmgmplffo/badge.svg)](https://extops.dev/extensions/efdpmmhbamieokmdelpgplnnmgmplffo)

HTML

<a href="https://extops.dev/extensions/efdpmmhbamieokmdelpgplnnmgmplffo"><img src="https://extops.dev/extensions/efdpmmhbamieokmdelpgplnnmgmplffo/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built