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 and read emails. PixelBlock displays a 'red eye' when it finds and blocks a tracking attempt inside of an email you're reading.
Update (08/26/2018): added support for catching tracking pixels in background images
Privacy Policy:
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.
