Tooltester
3 extensions 1,136 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 | Communication | 1,000 | 4.95 | 10 Nov 2026 | Live |
| Email Detective for Outlook: Identify ESPs & Check Authentication | Tools | 125 | 5.00 | 11 Nov 2026 | Live |
| Sender Icons for Outlook: Spot important emails faster, click fewer ads | Communication | 11 | – | 29 Oct 2026 | Live |