Firefox Features

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.

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.

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.

See how AI-powered chatbots work in your browser sidebar to summarize pages, answer questions, and boost productivity with Firefox’s private AI experience.

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.

Firefox Total Cookie Protection stops cross-site tracking by isolating cookies per site, giving you stronger privacy without changing how you browse.

Use Firefox Tab Groups to organize, color-code, and manage your browser tabs.

View and edit PDF files right in Firefox.

Firefox automatically blocks 2000+ ad trackers from following you around the internet.

Translate websites to your language directly in your Firefox browser – without sharing your data with anyone else.

Got things to do and things to watch? Do both using Picture-in-Picture in Firefox.

Get help creating new passwords, auto-fill online forms and log in automatically.

Access your Firefox bookmarks, passwords, open tabs and more from any device.

Organize your bookmarks with folders and tags.

Automatically delete cookies and erase your browser history when you close it.

Choose how your browser looks with thousands of free themes.

Add new tools, capabilities and fun stuff to your browser.

Ditch the sticky ads following you around with Firefox's built-in fingerprinting blockers.

Identify the exact color on a page and copy its hex code.

Keep your favorite pages open and just a click away. Use Pinned Tabs to keep an eye on your email or messaging apps.