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Email Template Checker | Warmy

Chrome extension by Warmy.io · Productivity · Tools

  • Established publisher
  • Trader

A Chrome extension in Productivity · Tools with 452 users, barely installed. Audience over the last 30 days: -34.

Specific sites only: 2 match patterns.

What the developer says, and 4 screenshots

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

Users
452
Rating
5.0 (34 ratings)
Users, last 30 days
-34
Rating, last 30 days
Steady over 30 days
Version
1.1.26
Updated in the store
2026-02-09
Published
2025-04-05
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
-34 since 09.10
447-486 · 18 readings
  1. 2026-10-09486
  2. 2026-10-10480
  3. 2026-10-11479
  4. 2026-10-16480
  5. 2026-10-18484
  6. 2026-10-19483
  7. 2026-10-21486
  8. 2026-10-22475
  9. 2026-10-23486
  10. 2026-10-24475
  11. 2026-10-25479
  12. 2026-10-27468
  13. 2026-10-29480
  14. 2026-11-01447
  15. 2026-11-03456
  16. 2026-11-05452
  17. 2026-11-07453
  18. 2026-11-08452
Rating
unchanged since 09.10
reviewsrating 5.00 · 18 readings
  1. 2026-10-09reviews34rating5.00
  2. 2026-10-10reviews34rating5.00
  3. 2026-10-11reviews34rating5.00
  4. 2026-10-16reviews34rating5.00
  5. 2026-10-18reviews34rating5.00
  6. 2026-10-19reviews34rating5.00
  7. 2026-10-21reviews34rating5.00
  8. 2026-10-22reviews34rating5.00
  9. 2026-10-23reviews34rating5.00
  10. 2026-10-24reviews34rating5.00
  11. 2026-10-25reviews34rating5.00
  12. 2026-10-27reviews34rating5.00
  13. 2026-10-29reviews34rating5.00
  14. 2026-11-01reviews34rating5.00
  15. 2026-11-03reviews34rating5.00
  16. 2026-11-05reviews34rating5.00
  17. 2026-11-07reviews34rating5.00
  18. 2026-11-08reviews34rating5.00
Users
-6 since 01.09
446-515 · 35 readings
  1. 2026-09-01458
  2. 2026-09-02459
  3. 2026-09-04457
  4. 2026-09-05446
  5. 2026-09-06449
  6. 2026-09-07451
  7. 2026-09-08448
  8. 2026-09-09462
  9. 2026-09-13474
  10. 2026-09-16494
  11. 2026-09-20482
  12. 2026-09-21477
  13. 2026-09-25501
  14. 2026-09-26515
  15. 2026-09-28512
  16. 2026-10-04511
  17. 2026-10-08510
  18. 2026-10-09486
  19. 2026-10-10480
  20. 2026-10-11479
  21. 2026-10-16480
  22. 2026-10-18484
  23. 2026-10-19483
  24. 2026-10-21486
  25. 2026-10-22475
  26. 2026-10-23486
  27. 2026-10-24475
  28. 2026-10-25479
  29. 2026-10-27468
  30. 2026-10-29480
  31. 2026-11-01447
  32. 2026-11-03456
  33. 2026-11-05452
  34. 2026-11-07453
  35. 2026-11-08452
Rating
unchanged since 01.09
reviewsrating 5.00 · 35 readings
  1. 2026-09-01reviews34rating5.00
  2. 2026-09-02reviews34rating5.00
  3. 2026-09-04reviews34rating5.00
  4. 2026-09-05reviews34rating5.00
  5. 2026-09-06reviews34rating5.00
  6. 2026-09-07reviews34rating5.00
  7. 2026-09-08reviews34rating5.00
  8. 2026-09-09reviews34rating5.00
  9. 2026-09-13reviews34rating5.00
  10. 2026-09-16reviews34rating5.00
  11. 2026-09-20reviews34rating5.00
  12. 2026-09-21reviews34rating5.00
  13. 2026-09-25reviews34rating5.00
  14. 2026-09-26reviews34rating5.00
  15. 2026-09-28reviews34rating5.00
  16. 2026-10-04reviews34rating5.00
  17. 2026-10-08reviews34rating5.00
  18. 2026-10-09reviews34rating5.00
  19. 2026-10-10reviews34rating5.00
  20. 2026-10-11reviews34rating5.00
  21. 2026-10-16reviews34rating5.00
  22. 2026-10-18reviews34rating5.00
  23. 2026-10-19reviews34rating5.00
  24. 2026-10-21reviews34rating5.00
  25. 2026-10-22reviews34rating5.00
  26. 2026-10-23reviews34rating5.00
  27. 2026-10-24reviews34rating5.00
  28. 2026-10-25reviews34rating5.00
  29. 2026-10-27reviews34rating5.00
  30. 2026-10-29reviews34rating5.00
  31. 2026-11-01reviews34rating5.00
  32. 2026-11-03reviews34rating5.00
  33. 2026-11-05reviews34rating5.00
  34. 2026-11-07reviews34rating5.00
  35. 2026-11-08reviews34rating5.00

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: 2 match patterns.

  • https://mail.google.com/*
  • https://academy-warmy-bucket.s3.eu-west-1.amazonaws.com/*
  • Act on the current tab, but only after you click it activeTab
  • 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

Warmy.io. Listed website: warmy.io.

Like this one

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

  1. HitSend - Spam Checker for Gmail Describes nearly the same job, smaller audience 39 users ★ 5.0
  2. Email Preview & Testing — Mailgun Inspect Describes nearly the same job, smaller audience 42 users ★ 5.0
  3. MailInspector | Professional Email Audit Describes nearly the same job, smaller audience 15 users
  4. MailGenius: Email Deliverability Tracker & Email Spam Tester Describes nearly the same job, smaller audience 919 users ★ 4.1
  5. LintMail Describes nearly the same job, smaller audience 8 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 2026-11-08. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built