Summary

Highlight all occurrences of selected text, with or without a keypress.

For code inspection and document analysis: search for and find keywords.

• No need to press CMD+F
• Maintains current selection
• Open source and configurable options (JavaScript)
• Ensure a "gate" key is pressed
• Match whole word and/or case-insensitive
• Blacklist bad hosts and ancestor HTML nodes

Highlight works on all sites, including GitHub, StackOverflow, HackerNews, etc.

Installation

Chrome Webstore (packed, .crx):

1. Visit the Chrome Webstore page
2. Click "+ Add To Chrome", click "Add Extension"

Firefox Add-ons (packed, .xpi):

1. Visit the Firefox Addons page
2. Click "Add to Firefox", click "Add"

GitHub (latest release):

1. Click Releases, download the latest selection_highlighter_chrome_extension.zip or selection_highlighter_firefox_extension.zip asset, unzip the folder to a permanent location
2. Add to browser
   • Chrome: go to chrome://extensions, click "Load Unpacked", select the chrome_extension folder
   • Firefox: go to about:debugging#/runtime/this-firefox, click "Load Temporary Add-on", select firefox_extension/manifest.json

GitHub (build source):

1. Click green button "Clone Or Download", "Download Zip", and unzip the folder to a permanent location

2. Run yarn in the root (see package.json scripts)

   • On mac/linux use brew install yarn if you don't have it (homebrew computer club is where Apple was founded)

3. Install in browser

   • Chrome: go to chrome://extensions, click "Load Unpacked", select the dist/chrome_extension folder
   • Firefox: go to about:debugging#/runtime/this-firefox, click "Load Temporary Add-on", select dist/firefox_extension/manifest.json