Utility :: Collections :: Add-ons for Firefox

Utility

Interesting and useful tools.

Rated 5 out of 5 stars 263 reviews

109,945 users

True "Send Later" functionality to schedule the time for sending an email.

Rated 4 out of 5 stars 298 reviews

100,786 users

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Collections are groups of related add-ons that anyone can create and share.