About this extension

This addon shows information about your Sync account, including showing all
server data for your account. It is designed primarily for Sync developers, or
advanced users who would like some insights into their Sync data.

Once installed, enter about:sync into the address bar

The source code is at https://github.com/mozilla-extensions/aboutsync and pull requests are welcome!

Rate your experience

Report this add-on for abuse

If you think this add-on violates Mozilla's add-on policies or has security or privacy issues, please report these issues to Mozilla using this form.

Please don't use this form to report bugs or request add-on features; this report will be sent to Mozilla and not to the add-on developer.

Release notes for 0.19.0buildid20220510.000851

Fix breakage in recent Firefox versions.

Used by

Report this add-on for abuse