Vivaldi vs Firefox
A detailed comparison to help you choose between Vivaldi and Firefox.
Vivaldi Highly customizable browser with built-in ad blocker. | Firefox Privacy-focused browser with Enhanced Tracking Protection. | |
|---|---|---|
| Rating | 4.3 (492 reviews) | 4.5 (270 reviews) |
| Pricing Model | free | free |
| Starting Price | Free | Free |
| Best For | Best for users wanting to block ads and trackers across the web | Best for privacy-conscious users browsing the web |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | — | — |
Vivaldi
Pros
- + Built-in tracker and ad blocker
- + Integrated Proton VPN option inside browser
- + Sync data is end-to-end encrypted
- + Chromium-based: strong site and extension compatibility
- + Company based in Norway and Iceland
Cons
- - Built-in VPN is only for Vivaldi web traffic
- - Not fully open source; UI remains closed
- - Sync retains metadata and up to one-year inactivity data
- - Sync privacy incident previously affected Snapshot users
Firefox
Pros
- + Total Cookie Protection enabled by default
- + Enhanced Tracking Protection blocks known trackers
- + HTTPS-Only Mode reduces downgrade risks
- + DNS over HTTPS available for privacy
- + Open-source code under MPL licensing
- + Global Privacy Control signal supported
Cons
- - Private Browsing doesn’t hide activity from ISP
- - Some telemetry/data processing described in Privacy Notice
- - GPC is a signal; sites may ignore it
- - Past controversy over privacy-preserving attribution default
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