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Building browser extensions

These are resources that I reference and guides that I follow while developing browser add-ons/extensions. Hopefully this garden will be helpful to you along the way!



How to add to browser while developing


  1. Go to chrome://extensions
  2. Enable “Developer mode”
  3. Select “Load unpacked”
  4. Select the project directory


  1. Go to about:debugging#/runtime/this-firefox
  2. Select “Load Temporary Add-on…”
  3. Select the project directory

Happy extending!

About the author

Sean McPherson is a software engineer for Khan Academy who specializes in web and mobile app development. He lives with his wife, sons, and dog in Pittsburgh, PA.