Manage preferences and add together-ons

Make Firefox yours through customization settings and add-ons

Agreement the risks of installing self-hosted extensions

Learn about the risks of installing extensions from third-parties and how to assess the trustworthiness of the source.

Firefox options, preferences and settings

Options/Preferences panels give y'all access to Firefox settings. This article describes what types of settings are available in each panel.

Add-on Badges

You'll know if an extension is being regularly reviewed if it has one of the badges listed in this commodity.

Connection settings in Firefox

Your arrangement or Internet Service Provider may offer or crave y'all to use a proxy to connect to the Internet. Learn more.

Permission request messages for Firefox extensions

More than information nearly each permission request you may meet when installing an extension into Firefox.

An extension changed my New Tab folio or dwelling folio

View and disable extensions or add-ons that change the new tab page or home page.

Cull display languages for multilingual web pages

How to choose your preferred languages for multilingual web pages.

Recovering important data from an erstwhile profile

If you need to create a new Firefox profile, find out how to recover your old Firefox data such as bookmarks, history and passwords.

Manage local site storage settings

Learn almost local storage, how to access storage settings, remove site data or set exceptions for websites to store information in Firefox.

Does Firefox share my location with websites?

Learn what information Firefox sends to web sites near your location and how to utilise and manage location-aware features of your browser.

Recommended Extensions program

Learn how extensions make the cut for the Recommended Extensions program and where they tin be found.

Change the programme used to open email links

Learn how to modify the email programme that Firefox opens when you click a "mailto" link or use the "Email link" and "Electronic mail Image" features.

Support and restore information in Firefox profiles

Firefox stores your personal data and settings in a contour binder. Larn how to back up and restore this important data.

How to set the habitation page

Learn how to modify what page yous run into when you beginning starting time Firefox, click the habitation button or open up a new window.

Apply the Firefox Sidebar to access bookmarks, history and synced tabs

The Firefox Sidebar characteristic lets y'all access your bookmarks, history and synced tabs conveniently at the click of a push.

Employ Firefox in some other language

How to brandish Firefox in a different language.

Customize your New Tab page to hibernate or display content

Larn how to evidence or hide content on your Firefox New Tab page, such as changing which sections to display or showing a blank new tab folio.

Change your default search settings in Firefox

Learn how to change search settings in Firefox, such as your default search engine and whether or non search suggestions are displayed.

Multi-Business relationship Containers

Add together Container tabs to Firefox with the Multi-Account Containers add-on, to carve up your work and personal browsing.

Firefox'south performance settings

Firefox automatically uses settings that work best with your computer. You tin e'er change these settings.

Tips for assessing the safe of an extension

Here are a few tips for assessing the rubber of a third party extension.

Reporting extensions and themes for abuse

Discover what constitutes inappropriate content or behavior in an extension or theme, and see how to study whatever corruption y'all detect.

Recommendations from Firefox

This commodity describes why and how extension recommendations are fabricated, including how to turn off recommendations.

Automatically fill up in credit menu information on Web forms

Manage credit carte autofill settings in Firefox version 81 and above.

Control audio or video playback with your keyboard

This page explains the technical documentation on how to control media in Firefox by using the Media Session API.

Search with the Firefox address bar

Learn how the address bar makes it like shooting fish in a barrel to search the Spider web, find bookmarks or pages you visited earlier, apply search engines and more.

Block and unblock websites with parental controls on Firefox

This commodity explains how to block websites or filter website content in Firefox that may be offensive or inappropriate for children.

Cannot remove an add-on (extension or theme)

This article describes how to uninstall an extension or theme that can't exist removed normally. This includes problematic toolbars and search bars.

Pop-up blocker settings, exceptions and troubleshooting

Learn what popular-upwards windows are and what settings Firefox has for blocking or assuasive them.

Restore previous session - Configure when Firefox shows your most contempo tabs and windows

Firefox tin automatically restore windows and tabs that were open the last fourth dimension you used it. Learn how to set options for decision-making it.

Make Firefox your default browser

How to make web links open in Firefox automatically by setting information technology equally the default browser on your computer.

How do I use the Firefox spell checker?

Firefox automatically checks your spelling as you type. Available options include adding dictionaries and removing words added past blow.

View PDF files in Firefox or choose some other viewer

Yous can view PDF files in Firefox with the built-in viewer. You can likewise choose a dissimilar viewer or set Firefox to always enquire. Acquire more.

How do I restore my tabs from last time?

This article explains the different options you have for opening the tabs and windows you had open the last fourth dimension you used Firefox.

Share data with Mozilla to assistance better Firefox

The Telemetry feature sends us operation and usage data to help measure how Firefox behaves in the real world and improve information technology. Learn more.

Closing multiple Tabs - option to disable warning

Firefox warns when multiple tabs are closed, at that place is an option to disable this alert if not required

How to disable the built-in PDF viewer and use another viewer

Firefox has a built-in PDF viewer. We'll prove y'all how to disable it and use another PDF viewer, similar Adobe Reader, instead.

Add together or remove a search engine in Firefox

This article explains how to add or remove the search engines that Firefox uses.

How to change your default browser to Firefox on Windows

Learn how to make Firefox your default Spider web browser on Windows x and Windows 11.

Frequently asked questions - Firefox add-on engineering is modernizing

Add-ons take undergone big changes in Firefox 57 and to a higher place. This article answers frequently asked questions almost changes to extensions.

Access subconscious tabs in Firefox

Firefox lets you lot know when there are tabs hidden in the background so y'all can access them easily.

Feed reader replacements for Firefox

Firefox'southward born support for web feeds and Live Bookmarks ended in December 2022 with version 64. Learn more and find alternatives.

How to use collections on addons.mozilla.org

How to create, edit, share, and delete a collection on addons.mozilla.org.

Personalized extension recommendations

Acquire more about how Firefox occasionally recommends extensions you may detect interesting and how to opt-out.

Assign shortcuts to search engines

How to search faster with search shortcuts.

Disable high dissimilarity mode in Firefox

How to disable high contrast fashion if it'southward causing bug on some spider web pages.

Manage extension shortcuts in Firefox

Manage your addition shortcuts through the Manage Preferences menu in almost:addons.

Configuring Networks to Disable DNS over HTTPS

At Mozilla, nosotros believe that DNS over HTTPS (DoH) is a feature that anybody should use to enhance their privacy. Learn more.

Lightbeam extension for Firefox is no longer supported

Mozilla ended official support of the Lightbeam extension in October 2022 and has no plans to resume maintenance of it in the future.

Importing Safari data into Firefox

Enable Full Disk Access on macOS version ten.fourteen (Mojave) or higher, so that you tin can import data from your Safari browser into Firefox.

Firefox Notes status

Acquire more about the discontinuation of Firefox Notes on November 1, 2022.

Cease of back up for Adobe Flash

Similar other browsers, Firefox has ended support for Adobe Flash. Acquire about the details here.

Mozilla Voice Server Proxy Retiring

Mozilla is ending official back up for the Mozilla Voice Proxy Server and its related projects. Acquire more nigh the retirement of server and extensions.

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