Log in
Preview of Margin

Margin by Scan

Write in the margins of the web. Annotate any URL with AT Protocol.

5 (1 review)
Download Firefox and get the extension
Download file
Screenshots
A screenshot of the Margin Extension
About this extension
Annotate and highlight any webpage, with your notes saved to the decentralized AT Protocol.
  • Bookmark - Bookmark any page on the web, and look back at it later!
  • Highlight - Highlight important information you might want to look back at later!
  • Annotate - Annotate anything on the web, like, reply, and look at other user's annotations.

How to use:

See user's annotations in the popup or sidebar, open sidebar by right-clicking anywhere on the page and going to Margin -> Open Sidebar

To open the pop-up, press the extension in your toolbar

To highlight/annotate a text, open the pop-up to annotate on the page, or to annotate a specific text in the page, select the test, right-click -> Margin -> Annotate/Highlight "etc"..
Developer comments
Margin is open-source, you can report any issues or contribute in the GitHub repository

To report vulnerabilities, email us at hello@margin.at, IT IS IMPORTANT THAT YOU DO NOT SHARE ANY CRITICAL VULNERABILITIES PUBLICLY
Rated 5 by 1 reviewer

Star rating saved

5
1
4
0
3
0
2
0
1
0
Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all websites

Optional permissions:

  • Display notifications to you
  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
Learn more
More information
Version
0.1.12
Size
43.26 KB
Last updated
a day ago (Jan 16, 2026)
Version History
Add to collection
Report this add-on
Support this developer

The developer of this extension asks that you help support its continued development by making a small contribution.

Contribute now