Safety for Gmail™
Chrome extension by Systena Corporation · Productivity · Workflow
- Trader
A Chrome extension in Productivity · Workflow with 100 000 users, a widely installed extension. Audience over the last 30 days: unchanged.
No site access is declared in the manifest, so it cannot read the pages you open on its own.
What the developer says, and 2 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 100 000
- Users, last 30 days
- Unchanged (the store rounds this count to 100 000, so it moves only between steps)
- Rating, last 30 days
- Steady over 30 days
- Version
- 1.2.2
- Updated in the store
- 2026-10-15
- Published
- 2014-07-29
- Manifest
- V3
- Browser access
- 1 permission
How it has moved
- 2026-11-03100k
- 2026-11-03reviews7
- 2026-09-01100k
- 2026-11-03100k
- 2026-09-01reviews7
- 2026-11-03reviews7
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
No site access is declared in the manifest, so it cannot read the pages you open on its own.
-
Store data in your browser
storage
Version history
- Version 1.2.2
- Version 1.2.1
What changed recently
- Package size changed
- Released version 1.2.2 (was 1.2.1)
- Released version 1.2.1 (was 1.2.0)
The publisher
Systena Corporation publishes 3 listings we track, 105k users between them.
-
cloudstep アドレス帳 for Google Chrome™ 4k users
-
cloudstep Connect for Google Chrome™ 1k users
Like this one
Listings the catalog judges closest in what they say they do.
-
GMailSend Address Checker - 誤送信防止 - 100k users
-
送り先ミス防止 for Gmail™ 4 users
-
外部送信チェック for Gmail 136 users (last published figure)
-
Safer Send Button 25 users
-
Missend Guard for Gmail 32 users
The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.
Compared side by side
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The badge shows the audience and rating from our last pass over the store and links back to this page.
[](https://extops.dev/extensions/pjbnfpohnepfohjeklbpeekacpellded)<a href="https://extops.dev/extensions/pjbnfpohnepfohjeklbpeekacpellded"><img src="https://extops.dev/extensions/pjbnfpohnepfohjeklbpeekacpellded/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store has not changed these figures since 2026-09-01, when we first saw this listing. We publish no contact details for extension developers.