Privacy Badger
Privacy & Security
Automatically learns to block hidden trackers. Made by leading digital rights nonprofit EFF to stop companies from spying on you.
Users
1M
Rating
4.5
Reviews
1,991
7D Growth
0|0%
Stable signalUnknownLow-risk permissions
PixelBlock
PixelBlock is a Gmail extension that blocks people from tracking when you open their emails.
Users40KCurrent public install base
Rating3.7Store average score
Reviews225Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
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2 assetsPixelBlock Media preview
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7-day rating change
Start
3.72
Latest
3.72
7-day rating change
0.00
2026年7月13日2026年7月19日
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1-day growthNo data
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00%30-day growthNo data
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Version2025.12.01
ManifestV3
Size70.53KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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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.
Reviews
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Store average score3.7Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.3Average computed only from synced review bodies below
Reviews with text139Synced review bodies
Total ratings / reviews225Chrome Web Store public rating/review count
Store average score: 3.7. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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No longer working with the new gmail
Just downloaded the latest version and tried this extension for the first time. I sent a message with tracking to myself from another of my email addresses. When I checked the email, Pixelblock said that that the tracking had been blocked. BUT when I went back to the email address I sent from, I still received notification that the message was opened.
Why does extension needs to read the browsing history?
Having the same problem as David Rosas below - images appear, disappear and then sometimes reappear when message is reloaded - added extension Aug 10
Version: 2018.08.01 Updated: July 31, 2018 The new gmail support is better - but it is still not working correctly. If you have message preview on and you go back and forth between emails the images often show but they will disappear. Occasionally in some emails they don't show at all.
Is quite interesting to see how many TRACKERS are involved online nowadays! Lately have been seeing this show how many Spam/Phishing emails although not playing the agme of responding are using such tactics to tell if they have a valid target. This should keep them guessing!
It could be helpful, but extension is clearly broken if "always show images" in gmail results in pixelblock showing only broken image icons.
Used to work well, however, with the new version of gmail it blocks all images from loading. I am using the most recent version of the app.
Started blocking inline images in new Gmail interface
It recently started blocking pictures from loading