Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of Keyword Color Marker

Keyword Color Marker by Louis

Highlight selected words on any webpage using distinct color markers.

0 (0 reviews)0 (0 reviews)
No UsersNo Users
Download Firefox and get the extension
Download file

Extension Metadata

About this extension
Keyword Color Marker helps you visually identify important terms on any webpage. Add your chosen words to a custom list and the extension will instantly highlight them using multiple distinct colors.

This makes long articles, research papers, and reports easier to scan and analyze.

Core features:
  • Highlight multiple custom keywords
  • Assign different colors automatically
  • Count matches on the current page
  • Store keyword lists locally
Rated 0 by 0 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
0
4
0
3
0
2
0
1
0
No reviews yet
Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
Learn more
More information
Version
1.1.1resigned1
Size
37.04 KB
Last updated
a month ago (Feb 27, 2026)
Related Categories
  • Feeds, News & Blogging
License
MIT License
Version History
  • See all versions
Add to collection
Report this add-on
Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.