Utility :: Collections :: Add-ons for Firefox

Utility

Interesting and useful tools.

Rated 5 out of 5 stars 263 reviews

106,779 users

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

Rated 4 out of 5 stars 293 reviews

99,079 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.