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InboxCheck - Catch Bad Emails Before You Send

Chrome extension by virat · Productivity · Workflow

  • Trader

A Chrome extension in Productivity · Workflow with 4 users, barely installed. Audience over the last 30 days: +1.

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
4 (the store no longer states an audience; this is the last figure it published)
Rating
5.0 (2 ratings)
Users, last 30 days
+1
Rating, last 30 days
Steady over 30 days
Version
1.0.1
Updated in the store
2026-04-22
Published
2026-04-19
Manifest
V3
Browser access
5 permissions, 2 site patterns

How it has moved

Users
+1 since 13.10
2-4 · 9 readings
  1. 2026-10-183
  2. 2026-10-214
  3. 2026-10-243
  4. 2026-10-272
  5. 2026-11-033
  6. 2026-11-054
  7. 2026-11-073
  8. 2026-11-084
  9. 2026-11-124
Rating
unchanged since 13.10
reviewsrating 5.00 · 9 readings
  1. 2026-10-18reviews2rating5.00
  2. 2026-10-21reviews2rating5.00
  3. 2026-10-24reviews2rating5.00
  4. 2026-10-27reviews2rating5.00
  5. 2026-11-03reviews2rating5.00
  6. 2026-11-05reviews2rating5.00
  7. 2026-11-07reviews2rating5.00
  8. 2026-11-08reviews2rating5.00
  9. 2026-11-12reviews2rating5.00
Users
+4 since 31.08
0-4 · 22 readings
  1. 2026-08-310
  2. 2026-09-023
  3. 2026-09-034
  4. 2026-09-043
  5. 2026-09-064
  6. 2026-09-073
  7. 2026-09-094
  8. 2026-09-103
  9. 2026-09-154
  10. 2026-10-042
  11. 2026-10-083
  12. 2026-10-094
  13. 2026-10-103
  14. 2026-10-183
  15. 2026-10-214
  16. 2026-10-243
  17. 2026-10-272
  18. 2026-11-033
  19. 2026-11-054
  20. 2026-11-073
  21. 2026-11-084
  22. 2026-11-124
Rating
unchanged since 31.08
reviewsrating 5.00 · 22 readings
  1. 2026-08-31reviews2rating5.00
  2. 2026-09-02reviews2rating5.00
  3. 2026-09-03reviews2rating5.00
  4. 2026-09-04reviews2rating5.00
  5. 2026-09-06reviews2rating5.00
  6. 2026-09-07reviews2rating5.00
  7. 2026-09-09reviews2rating5.00
  8. 2026-09-10reviews2rating5.00
  9. 2026-09-15reviews2rating5.00
  10. 2026-10-04reviews2rating5.00
  11. 2026-10-08reviews2rating5.00
  12. 2026-10-09reviews2rating5.00
  13. 2026-10-10reviews2rating5.00
  14. 2026-10-18reviews2rating5.00
  15. 2026-10-21reviews2rating5.00
  16. 2026-10-24reviews2rating5.00
  17. 2026-10-27reviews2rating5.00
  18. 2026-11-03reviews2rating5.00
  19. 2026-11-05reviews2rating5.00
  20. 2026-11-07reviews2rating5.00
  21. 2026-11-08reviews2rating5.00
  22. 2026-11-12reviews2rating5.00

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://api.inboxcheck.io/*
  • https://sercflshsmtqxrdtdclp.supabase.co/*
  • Sign you in with a Google account identity
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
Show the remaining 2

The full permission history for this extension

What changed recently

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

The publisher

virat. Listed website: inboxcheck.io.

Like this one

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

  1. Email Verifier by Proofy Describes nearly the same job, smaller audience 273 users ★ 5.0
  2. Smart Email Verifier Describes nearly the same job, smaller audience 156 users ★ 5.0
  3. MailSift — Email Verifier & Bulk Checker Describes nearly the same job, smaller audience 13 users ★ 5.0
  4. Email Verifier by ZeroBounce Describes nearly the same job, smaller audience 2k users ★ 3.3
  5. VeraMail email verifier Describes nearly the same job, smaller audience 23 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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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/nkogcgcjfepodldhjocmadiagfoibfob/badge.svg)](https://extops.dev/extensions/nkogcgcjfepodldhjocmadiagfoibfob)

HTML

<a href="https://extops.dev/extensions/nkogcgcjfepodldhjocmadiagfoibfob"><img src="https://extops.dev/extensions/nkogcgcjfepodldhjocmadiagfoibfob/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 2026-11-08. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built