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Add-ons, útwreidingen en tema’s

Ferbetterje produktfunksjonaliteit mei add-ons, útwreidingen en tema's.

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Permission request messages for Firefox extensions

Add-on Badges

Understanding the risks of installing self-hosted extensions

Extensions in Private Browsing

Disable or remove Add-ons

Recommended Extensions program

Multi-Account Containers

Personalized extension recommendations

Tips for assessing the safety of an extension

Refresh Firefox - reset add-ons and settings

Find and install add-ons to add features to Firefox

Manage your extensions using the extensions button in the toolbar

An extension changed my New Tab page or home page

Manage optional permissions for Firefox extensions

Upgrade your graphics drivers to use hardware acceleration and WebGL

Use Firefox in another language

Manage optional permissions for Firefox extensions on Android

Thunderbird add-ons - frequently asked questions

I found a fake Firefox update

Permission request messages for Thunderbird extensions

Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems

Use themes to change the look of Firefox

Add-on signing in Firefox

Remove a toolbar that has taken over your Firefox search or home page

Manage extension shortcuts in Firefox

Facebook Container - Prevent Facebook from tracking you on other websites

Installing the Pocket extension in your browser

Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work?

How to Customize Toolbars

Installing an Add-on in Thunderbird

Built-in themes in Firefox - alternative to complete themes

How to add the translate add-on to Firefox

Install themes to change the look of Thunderbird

Review installed extensions

Troubleshoot issues related to add-ons

Using the Save to Pocket extension for Google Chrome

Cannot remove an add-on (extension or theme)

How to Install and Use another Language in the Dictionary on Thunderbird

Open Search

What is search hijacking?

Access your add-ons with a Mozilla account

How to update add-ons

How is Facebook Container different from Multi-account Containers?

Report extensions and themes for abuse

Unable to install add-ons (extensions or themes) in Thunderbird

How to add devices to your Mozilla VPN subscription

Firefox Translations Add-on

Why aren’t my add-ons working on some websites?

Unified Toolbar

userChrome.css and .js and userContent are unsupported

Troubleshooting Save Button issues with Pocket Chrome extension

Unable to install add-ons (extensions or themes)

Re-enable add-ons that were disabled when updating Firefox

Flash-based videos and sound do not play correctly

Certificates

Add-Ons FAQ

Add Search Engine to Open Search

Filelink for Large Attachments

How can I digitally sign and encrypt emails?

How to Customize the New Mail Sound

Installing and Using another Language in the Dictionary

Uninstall Firefox for Android extensions

Why is there an OpenH264 plugin in Firefox?

Install system add-ons on Firefox for Enterprise

Block add-ons in Firefox for Enterprise

Lightbeam extension for Firefox is no longer supported

Unable to uninstall add-ons (extensions or themes)

Recommended Firefox extensions for families and students

Site Permission Add-ons

Use the Save to Pocket extension for Safari

Using the Pocket Must Reads extension in Google Chrome

Using the Save to Pocket extension in Microsoft Edge

Using the Save to Pocket extension in Brave, Opera and Vivaldi

Integrate Firefox Relay into the Firefox Password Manager

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