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
403
4
66
3
29
2
15
1
46
Review by Firefox user 13229121
by Firefox user 13229121, 8 years ago
Finally, found best gmail checker extension (tested on 55.0.2 64 bit)