To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for Checker Plus for Gmail™

Checker Plus for Gmail™ by Jason Savard

4.4 Stars out of 5
5
393
4
66
3
28
2
14
1
44
Review by srouquette
by srouquette, 6 years ago
the extension doesn't sign in anymore, maybe due to the new firefox feature to prevent tracking (in the top-right menu)

Developer response

posted 6 years ago
Yes enabling that specific feature has been known to cause issues with the auto-detect, try the manual add method instead.