With this extension you can Draw and Highlight on any Website. It saves your drawings on your Browser privately and lets you modify the Pen, like changing the Opacity and Size, or Erase and Save as Image.

Marker promo image
What is Marker?

Marker is a Firefox extension designed for annotating the web. This free, open-source tool enables you to draw or highlight text on any website. Equipped with a pen, eraser and mouse mode, Marker auto-saves all your drawings privately in your browser. Hence, allowing you to revisit them each time you reopen the website. Ideal for online exams, UI/UX teamwork, and annotating long articles.

Stats date:
Users: 869 ▲ 17
Rating: 4.60 (10)
Version: 1.5.2 (Last updated: 2022-10-22)
Creation date: 2022-10-07
Weekly download count: 70
Firefox on Android: No
Manifest version: 2
  • storage
  • activeTab
  • contextMenus
Size: 645.20K
Email: Click to see
URLs: Website
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood

Other platforms

Not available on Chrome
Not available on Edge

Marker is a Free Open-Source Extension for Firefox that lets you to draw on any Website. Highlight text like on real Paper, with scroll-able drawings.

No need to worry about Online-Exams, working with UI/UX Teams, or long Wikipedia Articles. Simply Highlight or Draw anything you want.

No need to click Save! We auto-save all your drawings privately in your Browser, so you can revisit them every time you open the Website again.

Why Marker? It's made to be fast, one click and you are ready to go!

What you get:

  • A Pen
  • A Eraser (Try Backspace to switch easily)
  • A Mouse Mode (Toggle with ESC Key)

The Pro tips!

  • Undo (With ⌘ Cmd + Z)
See more
User reviews
10/10 clean UI, easy to use
by Tung Vo, 2023-11-22
View all user reviews
Risk impact

Marker is safe to use. It does not request any sensitive permissions.

Risk likelihood

Marker has earned a fairly good reputation and likely can be trusted.

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