The privacy-tools community in 2026 has split between several browser recommendations. Mullvad Browser for the most-privacy-focused. Brave for the chromium-with-blocking crowd. LibreWolf for the open-source-Firefox-fork purists. Standard Firefox often gets dismissed as “the option for users who do not care.”
This dismissal is wrong. For most users who care about privacy but want a daily-driver browser that works, Firefox plus reasonable hardening is still the best answer.
What Firefox actually is
Mozilla Firefox is the only major non-Chromium-based browser remaining in the consumer market with significant market share. Safari is WebKit-based and Apple-only; everything else (Chrome, Edge, Brave, Vivaldi, Opera) is built on Chromium, the open-source browser engine that Google primarily develops.
Firefox uses Mozilla’s Gecko engine, with funding partly from Google’s search-deal revenue (the same controversial arrangement that gives Google substantial influence over Firefox’s strategic direction) and partly from various other sources.
The product is open source. The code is auditable. Independent forks (LibreWolf, Mullvad Browser) exist.
Why Firefox matters for the broader internet
Browser engine diversity matters for the open web. If Chromium becomes the only widely-used browser engine (it is currently used by Chrome, Edge, Brave, Vivaldi, Opera, Arc, plus Electron-based applications), web standards effectively become whatever Google decides to implement. Firefox is currently the primary remaining alternative.
Using Firefox supports this diversity. This is not a personal benefit (you might prefer a Chromium-based browser for your own use case) but a structural benefit to the broader web.
For users who care about an open web rather than a Google-shaped web, Firefox usage is meaningful in a way that individual choice usually is not.
Why Firefox is good enough for most users
The default Firefox in 2026 has stronger privacy defaults than most users realize. Enhanced Tracking Protection is enabled by default, blocking known trackers. Total Cookie Protection isolates cookies per site. Telemetry can be disabled with a single setting. The Pocket integration is removable. The ad-tech experiments that occasionally spark controversy can be opted out of.
For a user who wants a private browser without a research project of configuration: Firefox + uBlock Origin + Multi-Account Containers is sufficient. This combination takes 10 minutes to set up and provides better privacy than Chrome with default settings, without the complexity of Mullvad Browser or the corporate concerns about Brave.
The extension ecosystem is broader than alternatives. uBlock Origin works at full power on Firefox (Manifest V3 restrictions affect Chrome but not Firefox); various privacy add-ons run natively. Mullvad Browser deliberately restricts extensions for fingerprinting reasons; Firefox does not.
The performance is comparable to Chrome for most workloads. The “Chrome is faster” argument is mostly outdated; Firefox’s performance has been competitive since 2018.
Why the obvious alternatives are not always better
Chrome is owned by Google. The privacy claim is implausible.
Edge is owned by Microsoft, with similar implausibility for privacy claims plus the additional Microsoft-specific telemetry.
Brave has product-direction questions (cryptocurrency integration, advertising business model) that complicate the privacy story.
Mullvad Browser is excellent but the fingerprinting resistance breaks some sites and the Tor-style hardening is more than most users need.
LibreWolf requires more maintenance than standard Firefox.
Safari (WebKit) is acceptable for Apple users but is Apple-only and requires trust in Apple’s evolving privacy posture.
For users who want a major-engine browser, on all platforms, with good privacy defaults, with a broad extension ecosystem, with strong corporate alignment with the open web: Firefox is the answer.
What about the Mozilla concerns
Mozilla has, over the years, taken various decisions that the privacy-focused community has objected to:
The Pocket integration in 2017 (controversial; opt-out remained).
The Mr. Robot ARG promotion in 2017 (briefly installed an extension by default; reverted with apology).
Various ad-tech experiments in 2024 (various levels of opt-in, controversies around defaults).
The Google search deal that funds most of Mozilla’s revenue (creates structural dependency on the company Mozilla nominally competes with).
These are real concerns. They do not, individually or collectively, make Firefox a worse browser for privacy than Chrome or Edge. They suggest Firefox is a B+ option in a market where the alternatives are mostly C and D options.
Practical Firefox setup for 2026
Install Firefox from mozilla.org.
In Settings, Privacy & Security:
- Enhanced Tracking Protection: Strict
- Send websites a “Do Not Track” signal: yes (cosmetic but no harm)
- Cookies and Site Data: Delete on close (or keep, your choice)
- History: Use custom settings, never remember history (more aggressive) or always remember (more convenient)
- Address Bar: disable suggestions from Google, Pocket, etc.
- DNS over HTTPS: Maximum protection, your choice of resolver
Install these extensions:
- uBlock Origin (essential)
- Multi-Account Containers (helpful for separating accounts)
- LocalCDN or Decentraleyes (optional)
In about:config:
- privacy.donottrackheader.enabled: true
- privacy.firstparty.isolate: true (more aggressive isolation)
- network.cookie.cookieBehavior: 5 (Total Cookie Protection)
- toolkit.telemetry.enabled: false
- toolkit.telemetry.unified: false
- browser.contentblocking.category: strict
This setup provides 80 percent of what Mullvad Browser offers, with continued access to the broader Firefox ecosystem.
A specific recommendation
For users wanting a private daily browser without significant configuration overhead: Firefox + uBlock Origin + Multi-Account Containers + the basic settings above. Sufficient for the privacy needs of most readers.
For users who want maximum privacy and accept some site breakage: Mullvad Browser.
For users who want the same hardening as Mullvad Browser but with more configuration flexibility: LibreWolf.
For users who want hardened Firefox with comprehensive configuration: Arkenfox user.js applied to Firefox.
For users who want a Chromium-based browser with built-in blocking: Brave (with awareness of the product-direction concerns).
For most readers of this site: standard Firefox, configured per the above, is the right daily driver.
Mozilla Firefox | Mullvad Browser | Arkenfox user.js
Related: I recommended Brave for years, I’m not anymore, Hardening Firefox with Arkenfox, Mullvad Browser long-term review