highlight.js Firefox

highlight.js

Highlight web pages with your own notes.

Features & Capabilities

About highlight.js

highlight.js provides inline text annotation highlights for web pages.

With highlight.js, you can interactively highlight text on a web page and get a shareable link with your saved highlights.

Usage Guide

To highlight, press Control + K at the same time. Then, highlight any text on the page that you want to appear in your shared link. You can do this by dragging your mouse over any text on the page. A box will appear in the top right corner that tracks how many highlights you have created in your session.

When you are done, press Copy URL to copy the URL with your highlights to your clipboard. You can then paste this URL anywhere to share your highlights.

Example of Highlights on a Web Page

Open the following URL:

Highlighted TV shows

This URL highlights four TV shows on a TV show watch list:

  • The Simpsons Season 33 Finale
  • Seinfeld
  • Coronation Street
  • Silicon Valley

Related Works

To install a custom version of highlight.js for your own website, check out the highlight.js source code. Adding a custom version of highlight.js to your site will let you share highlights on your website without people having to install this extension to see them.

To highlight an entire paragraph on a page, check out fragmention.js

License

The source code for this project, available on GitHub is released into the public domain.

User Growth & Download Statistics

Manifest V2 Add-on
By:
capjamesg
Daily users:
-
Version:
1.0.3 Last updated: 2022-12-28
Version code:
5505077
Creation date:
2022-12-26
Risk:
Moderate risk impact Moderate risk likelihood
Content scripts matches:
  • *
Size:
1.31MB
Email:
ja*****@jamesg.blog
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-16
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
capjamesg
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/highlight-js/
Email:
ja*****@jamesg.blog

Is highlight.js Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

highlight.js requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

highlight.js is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Extension Guard
Extension Guard

Discover every extension in use, analyze risks, and enforce blocking policies with Extension Guard

Secure Your Browser
Upgrade to see full risk analysis details

Best highlight.js Alternatives

Here are some Firefox add-ons that are similar to highlight.js: