Anti-Virus & Security Suites Firefox 135.0 — Open-Source Web Browser
v135.0 | 2026-02-04 | MPL 2.0 | 90 MB
Firefox is an open-source web browser built around privacy, open standards and user control. It includes strong tracking protection, sync across devices, and a large library of extensions.
Key features
- Enhanced Tracking Protection blocks trackers, cookies and fingerprints by default.
- Syncs bookmarks, passwords, tabs and history across devices.
- Open web standards support with strong performance and security.
- Thousands of extensions via addons.mozilla.org.
Who is it for?
Anyone who wants a private, standards-focused browser on Windows, macOS, Linux, Android or iOS.
Download and usage notes
Download from the official Mozilla site or app store. Choose the stable channel for daily use and keep auto-updates enabled.
Technical Specifications & Release Info
| Version / Release | 135.0 |
| Release Date | 2026-02-04 |
| Archive File Size | 90 MB |
| License / Distribution | MPL 2.0 |
| Official Source | https://www.mozilla.org/firefox/ |
| Release Note | Released by the Mozilla Foundation. |
Screenshots & In-App Previews
DOWNLOAD LINKS
90 MB
Memory usage with 100+ active tabs is significantly lower thanks to improved tab sleep heuristics. Excellent browser release.
Total Cookie Protection and enhanced tracking protection isolate cross-site trackers out of the box.