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Merch by Amazon Trademark Protection

Chrome extension by Merch Informer · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 20 000 users, an established extension.

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
20 000
Rating
3.5 (25 ratings)
Users, last 16 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
4.5.0
Updated in the store
2026-09-04
Published
2018-09-06
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
unchanged since 01.09
20k · 2 readings
2026-09-05: released 4.5.0
  1. 2026-09-0120k
  2. 2026-09-1620k
Rating
unchanged since 01.09
reviewsrating 3.52 · 2 readings
2026-09-05: released 4.5.0
  1. 2026-09-01reviews25rating3.52
  2. 2026-09-16reviews25rating3.52
Users
unchanged since 01.09
20k · 2 readings
2026-09-05: released 4.5.0
  1. 2026-09-0120k
  2. 2026-09-1620k
Rating
unchanged since 01.09
reviewsrating 3.52 · 2 readings
2026-09-05: released 4.5.0
  1. 2026-09-01reviews25rating3.52
  2. 2026-09-16reviews25rating3.52

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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://members.merchinformer.com/*
  • https://api.markinformer.com/*
  • See the address and title of every tab you have open tabs
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 4.5.0 · Asked for fewer permissions (4, was 5)

What changed recently

  1. Package size changed
  2. Asked for fewer permissions (4, was 5)
  3. Released version 4.5.0 (was 4.4.9)

The publisher

Merch Informer publishes 2 listings we track, 29k users between them. Listed website: merchinformer.com.

  1. Merch Informer Lister Merch Informer · Productivity · Workflow · published 2018-06-25 9k users ★ 4.0

Like this one

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

  1. Amazon商標権チェッカー Describes nearly the same job, smaller audience 180 users
  2. Amazon Quick Brand Search Describes nearly the same job, smaller audience 15 users
  3. PrettyMerch for Merch by Amazon™ Describes nearly the same job, with an established audience 40k users ★ 4.8
  4. EtsySafe - Trademark Scanner Describes nearly the same job, smaller audience 7 users
  5. Trademark search Print on Demand - Copytasker Describes nearly the same job, smaller audience 403 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.