Tooltester
3 extensions 1,114 users in all First published 23 Mar 2026
Extensions are grouped by the store's own publisher account ID, so a developer who uses several accounts appears on several pages. Live extensions come first, most users first.
| Extension | Category | Users | Rating | Updated | Status |
|---|---|---|---|---|---|
| Email Detective for Gmail: Identify ESPs & Check Authentication | Tools | 1,000 | 4.93 | 26 Sep 2026 | Live |
| Email Detective for Outlook: Identify ESPs & Check Authentication | Tools | 106 | 5.00 | 26 Sep 2026 | Live |
| Sender Icons for Outlook: Spot important emails faster, click fewer ads | Communication | 8 | – | 23 Sep 2026 | Live |