Compare: PixelBlock vs Disconnect — Tracker Protection

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Metric	PixelBlock	Disconnect — Tracker Protection
User count	40,000	400,000
Average rating	3.72	4.40
Rating count	225	3,136
Last updated	2025-12-02	2026-03-12
Size	0.07 MB	22.08 MB
Version	2025.12.01	21.1.2

Short description	PixelBlock is a Gmail extension that prevents senders from tracking when you open their emails by blocking tracking pixels.	Block trackers across ads, analytics, social, and fingerprinting. Faster pages, smarter privacy, open-source protection trusted by major outlets.
Full summary	PixelBlock is an essential Gmail extension designed to protect your email privacy by blocking tracking pixels commonly used by senders to detect when you open and read their emails. Once PixelBlock detects a tracking attempt within an email, it instantly blocks it and displays a visible 'red eye' icon, informing you of the blocked tracking attempt. This free tool helps maintain your privacy and prevents senders from knowing your email activity, enhancing your control over your personal information. Easy to install and use, PixelBlock seamlessly integrates with Gmail without affecting your overall email experience. This extension is ideal for anyone looking to safeguard their email communications from invasive tracking techniques and maintain greater privacy online.	Disconnect blocks trackers that feed AI-powered attacks, protecting your personal data from surveillance and misuse. It blocks across advertising, analytics, social, and fingerprinting, with per-site controls to turn protection on or off. With integrations for Edge, Firefox, and other major platforms, it helps 350M+ users visualize what's hidden, speeds up pages by up to 44%, and reduces bandwidth by 39%. Open source and pay-what-you-want, trusted by The New York Times, BBC, Washington Post, and NBC News.