About this extension
By default Firefox remembers if you left the bookmarks sidebar open or closed. This add-on will always make sure anytime you open Firefox, the bookmarks sidebar is closed.
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.