Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Web Browsers

Mozilla Firefox vs Tor Browser

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Mozilla Firefox #3 in Web Browsers 9.1/10 Free plan Free plan✓ 3 of 3 features Visit Firefox
Tor Browser #8 in Web Browsers 8.6/10 Free plan Free plan✓ 1 of 3 features Visit Tor Browser

Mozilla Firefox leads on 0 checks, Tor Browser on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMozilla Firefox · 9.1/10
  • Free planboth
  • Most featuresMozilla Firefox · 3 of 3

Mozilla Firefox scores higher on our rubric for web browsers: 9.1 against 8.6 out of 10; our editors rank them #3 and #8.

Mozilla Firefox is the better fit for open-source privacy-conscious everyday browsing. Tor Browser is the better fit for users seeking strong anonymity online.

  • Mozilla Firefox fits best

    Open-source privacy-conscious everyday browsing

  • Tor Browser fits best

    Users seeking strong anonymity online

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Mozilla Firefox 9.1/10 Visit ↗ Tor Browser 8.6/10 Visit ↗
At a glance
Editor score 9.1 8.6
Ranking #3 in Web Browsers #8 in Web Browsers
Best for Open-source privacy-conscious everyday browsing Users seeking strong anonymity online
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Desktop, Mobile
Platforms Windows, macOS, Linux, iOS, Android Windows, macOS, Linux, Android
Support Community, Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Mozilla Firefox 3/3 · Tor Browser 1/3
Built-in ad blocking ✓ (best) Not checked yet
Cross-device sync ✓ (best) Not checked yet
Open source ✓ ✓
Specs
Supported platforms Both Both
Browser engine Gecko Not checked yet
Tracking protection Standard Not checked yet
Extension support Own_store Not checked yet
Our review
Pros
  • Enhanced Tracking Protection and Total Cookie Protection
  • Available on Windows, macOS, Linux, iOS and Android
  • Syncs bookmarks, passwords, history and open tabs across devices
  • Routes traffic through Tor with three layers of relay encryption
  • Clears cookies and history and isolates websites between sessions
  • Includes fingerprinting resistance, NoScript, and three security levels
Cons
  • Sync requires a Mozilla account
  • Extensions and themes use Mozilla’s own add-on store
  • No paid tier for additional browser features
  • Browsing can be less convenient than mainstream browsers
  • Broad extension and integration support is limited
  • Cross-device synchronization is not verified
Our verdict

Mozilla Firefox is a free, open-source web browser for desktop and mobile users who want everyday browsing with built-in privacy controls. It runs on Windows, macOS, Linux, iOS and Android, using Mozilla’s Gecko rendering engine. Core…

Read the review →

Tor Browser is a free, open-source web browser for people who prioritize privacy, anonymity, and access to sites blocked by local networks. It routes browser traffic through the Tor network, helping protect against network surveillance and…

Read the review →
  1. Mozilla FirefoxWeb Browsers 9.1Free plan
  2. Tor BrowserWeb Browsers 8.6Free plan

Strengths and trade-offs

  • Mozilla Firefox — where it wins

    • Enhanced Tracking Protection and Total Cookie Protection
    • Available on Windows, macOS, Linux, iOS and Android
    • Syncs bookmarks, passwords, history and open tabs across devices

    Where it doesn't

    • Sync requires a Mozilla account
    • Extensions and themes use Mozilla’s own add-on store
    • No paid tier for additional browser features
  • Tor Browser — where it wins

    • Routes traffic through Tor with three layers of relay encryption
    • Clears cookies and history and isolates websites between sessions
    • Includes fingerprinting resistance, NoScript, and three security levels

    Where it doesn't

    • Browsing can be less convenient than mainstream browsers
    • Broad extension and integration support is limited
    • Cross-device synchronization is not verified

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update