PixelBlock is a Gmail extension that blocks people from tracking when you open/read their emails.
PixelBlock is an Gmail extension that blocks email tracking attempts used to detect when you open/read emails. PixelBlock displays a 'red eye' when it finds and blocks a tracking attempt inside of an email you're reading.
Update (08/01/2018): _Finally_ added full support for new Gmail version (I know a lot of people have been complaining about this. This version should fix any issues with images not loading.
This extension does not store, save, access or transmit any data of any form from your Gmail account or your computer in absolutely any form. In fact, this extension doesn't even initiate any HTTP/HTTPS requests or make all calls to any servers.