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Email Preview & Testing — Mailgun Inspect

Chrome extension by Sinch · Productivity · Developer

  • Established publisher
  • Trader

A Chrome extension in Productivity · Developer with 41 users, barely installed. Audience over the last 30 days: +11.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 4 screenshots

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

Users
41
Rating
5.0 (1 ratings)
Users, last 30 days
+11
Rating, last 30 days
Steady over 30 days
Version
1.3.0
Updated in the store
2026-10-14
Published
2026-06-17
Manifest
V3
Browser access
5 permissions, 18 site patterns

How it has moved

Users
+11 since 01.10
30-44 · 17 readings
2026-10-01: gained the good publisher record badge2026-10-14: released 1.3.0
  1. 2026-10-0434
  2. 2026-10-0838
  3. 2026-10-0940
  4. 2026-10-1038
  5. 2026-10-1337
  6. 2026-10-1640
  7. 2026-10-1741
  8. 2026-10-1842
  9. 2026-10-1941
  10. 2026-10-2144
  11. 2026-10-2243
  12. 2026-10-2442
  13. 2026-10-2540
  14. 2026-10-2841
  15. 2026-10-2940
  16. 2026-10-3041
  17. 2026-10-3141
Rating
unchanged since 01.10
reviewsrating 5.00 · 17 readings
2026-10-01: gained the good publisher record badge2026-10-14: released 1.3.0
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  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. 2026-10-21reviews1rating5.00
  11. 2026-10-22reviews1rating5.00
  12. 2026-10-24reviews1rating5.00
  13. 2026-10-25reviews1rating5.00
  14. 2026-10-28reviews1rating5.00
  15. 2026-10-29reviews1rating5.00
  16. 2026-10-30reviews1rating5.00
  17. 2026-10-31reviews1rating5.00
Users
+17 since 01.09
24-44 · 30 readings
2026-10-01: gained the good publisher record badge2026-10-14: released 1.3.0
  1. 2026-09-0124
  2. 2026-09-0326
  3. 2026-09-0427
  4. 2026-09-0627
  5. 2026-09-0826
  6. 2026-09-1024
  7. 2026-09-1326
  8. 2026-09-1527
  9. 2026-09-2029
  10. 2026-09-2230
  11. 2026-09-2532
  12. 2026-09-2731
  13. 2026-09-2830
  14. 2026-10-0434
  15. 2026-10-0838
  16. 2026-10-0940
  17. 2026-10-1038
  18. 2026-10-1337
  19. 2026-10-1640
  20. 2026-10-1741
  21. 2026-10-1842
  22. 2026-10-1941
  23. 2026-10-2144
  24. 2026-10-2243
  25. 2026-10-2442
  26. 2026-10-2540
  27. 2026-10-2841
  28. 2026-10-2940
  29. 2026-10-3041
  30. 2026-10-3141
Rating
unchanged since 01.09
reviewsrating 5.00 · 30 readings
2026-10-01: gained the good publisher record badge2026-10-14: released 1.3.0
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-10reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-20reviews1rating5.00
  10. 2026-09-22reviews1rating5.00
  11. 2026-09-25reviews1rating5.00
  12. 2026-09-27reviews1rating5.00
  13. 2026-09-28reviews1rating5.00
  14. 2026-10-04reviews1rating5.00
  15. 2026-10-08reviews1rating5.00
  16. 2026-10-09reviews1rating5.00
  17. 2026-10-10reviews1rating5.00
  18. 2026-10-13reviews1rating5.00
  19. 2026-10-16reviews1rating5.00
  20. 2026-10-17reviews1rating5.00
  21. 2026-10-18reviews1rating5.00
  22. 2026-10-19reviews1rating5.00
  23. 2026-10-21reviews1rating5.00
  24. 2026-10-22reviews1rating5.00
  25. 2026-10-24reviews1rating5.00
  26. 2026-10-25reviews1rating5.00
  27. 2026-10-28reviews1rating5.00
  28. 2026-10-29reviews1rating5.00
  29. 2026-10-30reviews1rating5.00
  30. 2026-10-31reviews1rating5.00

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

Every site you visit. This extension can read and change the content of any page you open.

  • Run its own code on the pages it can access scripting
  • See when you navigate between pages webNavigation
  • Act on the current tab, but only after you click it activeTab
Show the remaining 2

The full permission history for this extension

Version history

  1. Version 1.3.0

What changed recently

  1. Package size changed
  2. Store description rewritten
  3. Renamed from "Mailgun Inspect" to "Email Preview & Testing — Mailgun Inspect"
Show the remaining 2
  1. Released version 1.3.0 (was 1.2.0)
  2. Gained the Established publisher badge

The publisher

Sinch. Listed website: mailgun.com.

Like this one

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

  1. Emailens: One-Click Email Audit Describes nearly the same job, smaller audience 16 users ★ 5.0
  2. LintMail Describes nearly the same job, smaller audience 8 users
  3. MailInspector | Professional Email Audit Describes nearly the same job, smaller audience 16 users
  4. SendSure QA Describes nearly the same job, smaller audience 16 users ★ 5.0
  5. Email Testing & Email Preview - Inbox Pirates Describes nearly the same job, smaller audience 698 users ★ 5.0

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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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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

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 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built