Fastmail Checker
Chrome extension by Mave · Productivity · Communication
A Chrome extension in Productivity · Communication with 28 users, barely installed. Audience over the last 30 days: +4.
Specific sites only: 1 match pattern.
What the developer says, and 2 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 28
- Users, last 30 days
- +4
- Version
- 0.1.7
- Updated in the store
- 2026-10-25
- Published
- 2026-03-05
- Manifest
- V3
- Browser access
- 6 permissions, 1 site pattern
How it has moved
- 2026-10-1625
- 2026-10-1826
- 2026-10-1925
- 2026-10-2127
- 2026-10-2328
- 2026-10-2527
- 2026-10-2928
- 2026-11-0126
- 2026-11-0325
- 2026-11-0728
- 2026-11-0827
- 2026-11-1028
- 2026-11-1128
- 2026-09-0127
- 2026-09-0424
- 2026-09-0523
- 2026-09-0722
- 2026-09-0820
- 2026-09-0922
- 2026-09-1324
- 2026-09-1525
- 2026-09-1724
- 2026-09-2123
- 2026-09-2724
- 2026-09-2822
- 2026-10-0523
- 2026-10-0824
- 2026-10-0925
- 2026-10-1024
- 2026-10-1625
- 2026-10-1826
- 2026-10-1925
- 2026-10-2127
- 2026-10-2328
- 2026-10-2527
- 2026-10-2928
- 2026-11-0126
- 2026-11-0325
- 2026-11-0728
- 2026-11-0827
- 2026-11-1028
- 2026-11-1128
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
Specific sites only: 1 match pattern.
https://fastmail-checker.mave.me/*
-
Sign you in with a Google account
identity -
Schedule work to run later
alarms -
Add items to the right-click menu
contextMenus
Show the remaining 3
-
Show you notifications
notifications -
Run work in a hidden page
offscreen -
Store data in your browser
storage
Version history
- Version 0.1.7
What changed recently
- Released version 0.1.7 (was 0.1.5)
The publisher
Mave publishes 3 listings we track, 3k users between them.
-
Enhanced Cardmarket 3k users
-
Enhanced Bol.com 36 users
Like this one
Listings the catalog judges closest in what they say they do.
-
Checker for Fastmail 4 users (last published figure)
-
Fastmail Enhanced 20 users
-
Fastmail Notifier 6 users
-
Mail-Pocket 3 users (last published figure)
-
mail.com MailCheck 30k 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.
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Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.
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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/ojnlgdnbaakolkkphigplmhephplepco)<a href="https://extops.dev/extensions/ojnlgdnbaakolkkphigplmhephplepco"><img src="https://extops.dev/extensions/ojnlgdnbaakolkkphigplmhephplepco/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 last changed these figures on 2026-11-10. We publish no contact details for extension developers.