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PromoHerb: Automated Coupons & Promo Codes

Chrome extension by Domaining Central · Lifestyle · Shopping

  • Featured

A Chrome extension in Lifestyle · Shopping with 74 users, barely installed. Audience over the last 30 days: +6.

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

What the developer says, and 3 screenshots

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

Users
74
Rating
not rated yet
Users, last 30 days
+6
Version
1.0.13
Updated in the store
2026-10-05
Published
2024-12-21
Manifest
V3
Browser access
7 permissions, 1 site pattern

How it has moved

Users
+6 since 02.10
61-79 · 17 readings
2026-10-05: released 1.0.13
  1. 2026-10-0466
  2. 2026-10-0865
  3. 2026-10-0967
  4. 2026-10-1063
  5. 2026-10-1162
  6. 2026-10-1361
  7. 2026-10-1669
  8. 2026-10-1771
  9. 2026-10-1872
  10. 2026-10-1976
  11. 2026-10-2179
  12. 2026-10-2274
  13. 2026-10-2376
  14. 2026-10-2479
  15. 2026-10-2876
  16. 2026-10-2975
  17. 2026-11-0174
Users
+9 since 31.08
61-79 · 30 readings
2026-10-05: released 1.0.13
  1. 2026-08-3165
  2. 2026-09-0267
  3. 2026-09-0568
  4. 2026-09-0664
  5. 2026-09-0765
  6. 2026-09-0963
  7. 2026-09-1361
  8. 2026-09-1566
  9. 2026-09-1761
  10. 2026-09-2176
  11. 2026-09-2572
  12. 2026-09-2670
  13. 2026-09-2868
  14. 2026-10-0466
  15. 2026-10-0865
  16. 2026-10-0967
  17. 2026-10-1063
  18. 2026-10-1162
  19. 2026-10-1361
  20. 2026-10-1669
  21. 2026-10-1771
  22. 2026-10-1872
  23. 2026-10-1976
  24. 2026-10-2179
  25. 2026-10-2274
  26. 2026-10-2376
  27. 2026-10-2479
  28. 2026-10-2876
  29. 2026-10-2975
  30. 2026-11-0174

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.

  • Read and change cookies on the sites it can access cookies
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
Show the remaining 4
  • See when you navigate between pages webNavigation
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.0.13

What changed recently

  1. Released version 1.0.13 (was 1.0.12)

The publisher

Domaining Central publishes 5 listings we track, 636 users between them.

  1. ValueMyDomain: Domain Value Checker Domaining Central · Productivity · Tools · published 2024-10-26 235 users ★ 4.0
  2. Free Digital Marketing Strategies Books Domaining Central · Productivity · Education · published 2025-01-12 165 users
  3. AchiveViewer - Archived Emails for Gmail Domaining Central · Make Chrome Yours · Functionality · published 2024-12-23 130 users ★ 2.5
Show 1 more from this publisher
  1. Flippa Quick View Domaining Central · Productivity · Workflow · published 2025-01-16 32 users

Like this one

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

  1. PromoCodz - Coupon Finder Describes nearly the same job, smaller audience 7 users
  2. SmartShopping Demo MV3 Describes nearly the same job, smaller audience 12 users
  3. Disco - AI Promo Finder Describes nearly the same job, smaller audience 11 users
  4. Deal Seeker By TopVouchersCode Describes nearly the same job, smaller audience 322 users ★ 5.0
  5. Gener8 Genie Describes nearly the same job, smaller audience 3k users ★ 4.6

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/kbfijidkacgheioefanckoddignmkmeo/badge.svg)](https://extops.dev/extensions/kbfijidkacgheioefanckoddignmkmeo)

HTML

<a href="https://extops.dev/extensions/kbfijidkacgheioefanckoddignmkmeo"><img src="https://extops.dev/extensions/kbfijidkacgheioefanckoddignmkmeo/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