🧩 Free Privacy Browser Extensions Tools 2026
6 privacy browser extensions tools you can use for free — no credit card required. Includes fully free tools and freemium tiers with generous limits.
- 1U
Free, open-source browser extension that blocks ads, trackers, and malware domains with minimal CPU/memory usage.
Best for: Best browser ad blocker
- 2B
Bitwarden browser extension for autofill and vault access.
- 3A
Ad blocker with DNS-level protection.
- 4P
Password manager from Proton with built-in email aliases.
- 5H
EFF extension that upgrades HTTP to HTTPS.
- 6P
EFF's tracker blocker that learns which trackers to block.
What counts as free?
Every tool on this page has either a fully free plan or a freemium tier that doesn't require a paid subscription to start. We list features, limits, and upgrade paths on each tool's detail page so you know exactly what the free plan includes.
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