Browsers
Mullvad Browser privacy rating
Our pick
Firefox-based browser developed by the Tor Project and Mullvad for use without the Tor network. Uses Tor Browser's anti-fingerprinting defenses, has no telemetry and includes uBlock Origin.
Summary
Mullvad Browser scores 90 out of 100 (grade A) on the browsers criteria. It meets 7 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, blocks trackers by default, fingerprinting protection, no calls to big-tech services and timely security updates. It does not meet independent audit. It is based in Sweden: Fourteen Eyes member; EU member (GDPR).
Score 90 out of 100. How scoring works
Criteria
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Yes
Open source Weight 3 of 3
Is all the source code needed to run the product public?
MPL-2.0, built by the Tor Project on Firefox ESR.
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Yes
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
Telemetry is removed.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Free of charge, with no ads, whether or not the user has a Mullvad VPN account.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.
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Yes
Blocks trackers by default Weight 3 of 3
Are third-party trackers blocked by default, without installing extensions?
uBlock Origin is included and enabled by default.
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Yes
Fingerprinting protection Weight 2 of 3
Does the browser defend against fingerprinting by default?
Resist Fingerprinting and letterboxing are enabled by default so users look alike.
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Yes
No calls to big-tech services Weight 2 of 3
Does the browser work without background connections to Google, Microsoft or Apple services?
The listed default connections go to Mullvad, Mozilla, and filter list and certificate providers, not Google, Microsoft or Apple services.
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Yes
Timely security updates Weight 3 of 3
Are security fixes from the upstream engine shipped quickly and automatically?
Releases follow Firefox ESR security updates alongside Tor Browser, and the built-in updater installs them.