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Showmark: Modern Draw & Annotate on Any Web Page

Chrome extension · Productivity · Tools

A Chrome extension in Productivity · Tools with 3 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 4 screenshots

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

Users
3
Rating
not rated yet
Users, last 2 days
+3
Version
1.1.0
Updated in the store
2026-09-14
Published
2026-09-13
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+3 since 14.09
0-3 · 2 readings
2026-09-14: appeared in the store
  1. 2026-09-140appeared in the store
  2. 2026-09-153
Users
+3 since 14.09
0-3 · 2 readings
2026-09-14: appeared in the store
  1. 2026-09-140appeared in the store
  2. 2026-09-153

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Run its own code on the pages it can access scripting
  • 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

  1. Store badges changed
  2. Appeared in the store

Like this one

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

  1. Page Marker - Draw on Any Tab Describes nearly the same job, smaller audience 64 users ★ 5.0
  2. Annotate Pro — Sharp Annotations Describes nearly the same job, smaller audience 5 users (last published figure)
  3. Pen Is Fun Describes nearly the same job, smaller audience 559 users ★ 4.7
  4. OverlayDraw Describes nearly the same job, smaller audience 25 users
  5. Draw & Highlight on Webpage – Mark & Annotate Describes nearly the same job, smaller audience 13 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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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.