Firefox 133.0
Technical details
| Latest version | 133.0 |
| Developer | Mozilla |
| Operating system | Windows 10/11, macOS, Linux, Android |
| License | Open Source (MPL) |
| File size | 100.6 MB |
| Interface language | English |
| SHA-256 | 81652be5f2f19917038ec91c6e60274f… |
Description & Features
Firefox is a free, open-source web browser focused on privacy and performance. It blocks trackers by default and is the main independent alternative to Chrome.
It is developed by the non-profit Mozilla Foundation and supports thousands of extensions.
- Tracker blocking by default
- Fast and lightweight
- Thousands of extensions
- Sync across devices
- Password manager
- Free and open-source
What's new in version 133.0
- Improved tracking protection
- Faster page loading
- Better memory usage
- Enhanced privacy features
How to install
- Download the installer
- Run it and complete setup
- Firefox imports your bookmarks from other browsers
- Start browsing
FAQ
Is Firefox free?
Yes, open-source.
Is Firefox more private than Chrome?
It blocks trackers by default.
Can Firefox sync bookmarks?
Yes, with a Firefox account.
Is Firefox safe?
Yes, from mozilla.org.
Does it run on Windows 11?
Yes.
Pros and cons
Pros: Privacy-focused; Free and open-source; Extensions; Cross-platform.
Cons: Fewer extensions than Chrome; Some sites optimize for Chrome.
Reviews
"Works exactly as described, installed without any issues."
"Been using this for months — stable and reliable."
"Clean install, no bundled junk. Recommended."
"Does what it says. Fast download and easy setup."