- Translate Selected Text
- TranslationBuddy
- Translator
- Transmission easy client
- Transmogrify for Plex
- TransOver
- TrashMail.com for Google Chrome™
- TRATRITLE
- Treehouse AutoPlay
- Trelabels for Trello
- Tribes of Midgard
- Trimless for Google Mail™
- TripAdvisor Browser Button
- Troll your Friends
- Trombone Champ
- Tropico
- Truecaller: Caller ID & Dialer
- Trump Filter
- Trusted Shops extension for Google Chrome
- TubeBuddy
- TubeMate
- Tubi TV - Free Movies & TV
- Tubidy
- Tumblr Collage
- Tumblr Savior