# Mullvad Browser privacy rating

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.

**Our pick.** Tor Browser's protections without the Tor network: fingerprinting resistance that makes users look alike, uBlock Origin built in, no telemetry, and fast security updates. Built by the Tor Project and Mullvad, free, and works with any VPN.

## 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).

- Website: https://mullvad.net/en/browser
- Source code: https://github.com/mullvad/mullvad-browser
- Jurisdiction: Sweden. Fourteen Eyes member. EU member (GDPR).
- Home page trackers: none found
- Category: [Browsers](https://privacyratings.com/browsers/)
- Also rated: [Mullvad VPN](https://privacyratings.com/vpns/mullvad-vpn/) (VPN providers), [Mullvad DNS](https://privacyratings.com/dns-resolvers/mullvad-dns/) (DNS resolvers)
- Grade: A (90/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | MPL-2.0, built by the Tor Project on Firefox ESR. | https://mullvad.net/en/browser |
| No trackers or telemetry | Yes | Telemetry is removed. | https://mullvad.net/en/browser |
| No ads or data sales | Yes | Free of charge, with no ads, whether or not the user has a Mullvad VPN account. | https://mullvad.net/en/browser |
| Independent audit | No | No independent audit is published. |  |
| Blocks trackers by default | Yes | uBlock Origin is included and enabled by default. | https://mullvad.net/en/browser/hard-facts |
| Fingerprinting protection | Yes | Resist Fingerprinting and letterboxing are enabled by default so users look alike. | https://mullvad.net/en/browser/hard-facts |
| No calls to big-tech services | Yes | The listed default connections go to Mullvad, Mozilla, and filter list and certificate providers, not Google, Microsoft or Apple services. | https://mullvad.net/en/browser/hard-facts |
| Timely security updates | Yes | Releases follow Firefox ESR security updates alongside Tor Browser, and the built-in updater installs them. | https://mullvad.net/en/browser/hard-facts |

Source: https://privacyratings.com/browsers/mullvad-browser/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/browsers/mullvad-browser.md