Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
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jonathanKingston Merge pull request #1275 from ShivangiKakkar/fixes-256
#256 disables edit-container button when no container is present
Latest commit 220b902 Oct 21, 2018

Multi-Account Containers

The Firefox Multi-Account Containers extension lets you carve out a separate box for each of your online lives – no more opening a different browser just to check your work email! Learn More Here

Available on

For more info, see:


  • node 7+ (for jpm)
  • Firefox 57+


  1. npm install
  2. ./node_modules/.bin/web-ext run -s src/




Make the new version

  1. Bump the version number in package.json and manifest.json
  2. Commit the version number bump
  3. Create a git tag for the version: git tag <version>
  4. Push the tag up to GitHub: git push --tags

Publish to AMO

  1. npm run-script build
  2. Upload the .zip to AMO

Publish to GitHub

Finally, we also publish the release to GitHub for those followers.

  1. Download the signed .xpi from the addon versions page
  2. Make the new release on GitHub
    • Use the version number for "Tag version" and "Release title"
    • Release notes: copy the output of git log --no-merges --pretty=format:"%h %s" <previous-version>..<new-version>
    • Attach binaries: select the signed .xpi file


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