The latest browser speed benchmarks prove Firefox is faster than ever.
Firefox Features
Firefox is the fast, lightweight, privacy-focused browser that works across all your devices.
We're focused on your right to privacy. Your data, your web activity, your life online is protected with Firefox.
Do more with Firefox
PDF Editor
Edit PDFs in Firefox with a free, built-in PDF editor. Fill and sign PDF forms, add text and comments, and save your PDF files securely in your browser.
Protections Dashboard
Get a clear view of the trackers Firefox blocks, your privacy settings, and how the browser keeps you safe with a built-in Privacy Report.
Sidebar Browser
Learn how a browser sidebar boosts productivity. See how Firefox’s sidebar helps you access bookmarks, history, synced tabs, and tools in one click, with powerful customization options.
AI-Powered Chatbot
See how AI-powered chatbots work in your browser sidebar to summarize pages, answer questions, and boost productivity with Firefox’s private AI experience.
Vertical Tabs
Firefox vertical tabs stack your open pages in a sidebar so you can scan titles, manage multiple tabs, and keep your browsing space clear and organized.
Total Cookie Protection
Firefox Total Cookie Protection stops cross-site tracking by isolating cookies per site, giving you stronger privacy without changing how you browse.
Tab Groups
Use Firefox Tab Groups to organize, color-code, and manage your browser tabs.
PDF editor
View and edit PDF files right in Firefox.
Ad tracker blocking
Firefox automatically blocks 2000+ ad trackers from following you around the internet.
Translate the web
Translate websites to your language directly in your Firefox browser – without sharing your data with anyone else.
Picture-in-Picture
Got things to do and things to watch? Do both using Picture-in-Picture in Firefox.
Free password manager
Get help creating new passwords, auto-fill online forms and log in automatically.
Firefox browser sync
Access your Firefox bookmarks, passwords, open tabs and more from any device.
Bookmark manager
Organize your bookmarks with folders and tags.
Private browsing mode
Automatically delete cookies and erase your browser history when you close it.
Customize your Firefox browser
Choose how your browser looks with thousands of free themes.
Firefox add-ons and browser extensions
Add new tools, capabilities and fun stuff to your browser.
Fingerprint blocking
Firefox helps block browser fingerprinting with built-in protections that reduce hidden tracking and help protect your privacy online.
Eyedropper tool
Identify the exact color on a page and copy its hex code.
Pinned browser tabs
Keep your favorite pages open and just a click away. Use Pinned Tabs to keep an eye on your email or messaging apps.