Publisher

Tooltester

Tooltester publishes 3 live listings in the Chrome Web Store, with 1k users between them, as of our catalog pass of 2026-11-01.

Live listings: 3
Users between them: 1k
Trader status (EU): No trader declaration in the store.
In our catalog since: 2026-08-31
Website: emailtooltester.com

The store shows its Established publisher badge on 3 of the listings below.

Its listings

Email Detective for Gmail: Identify ESPs & Check Authentication Productivity · Communication · 2 permissions · version 2.1.308 · updated 2026-10-30 1k users ★ 4.9
Email Detective for Outlook: Identify ESPs & Check Authentication Productivity · Tools · 2 permissions · version 1.2.91 · updated 2026-10-27 122 users ★ 5.0
Sender Icons for Outlook: Spot important emails faster, click fewer ads Productivity · Communication · 2 permissions · version 1.0.8 · updated 2026-10-29 9 users

Figures come from the public Chrome Web Store, which our own crawler reads up to 2 times a day. We do not install or audit extensions and publish no contact details for their developers. Catalog pass of 2026-11-01.

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Where the data comes from: how the catalog is built