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What's new in Firefox 158

Make yourself at home in just a click

Have bookmarks, passwords or history in another browser? Bring them over to Firefox in one simple step.

An illustration of Kit overlooking a Firefox browser window with the new design treatment

FIND YOUR STYLE

New look. New possibilities.

You might’ve noticed Firefox has a new design. Check out Compact Mode for the neat freaks, new themes and wallpapers for the whimsical, and Split View for those who make productivity their personality.

Explore the new look

Spooky season? Don't be scared. Firefox has your privacy covered.

A pointer highlights the passwords key icon in the Firefox sidebar, beside a masked password field.

Your passwords, right in the sidebar

No need to search in the dark. Add your saved passwords to your sidebar for easy access while your browse.

Customize sidebar
Illustration of private browsing with Firefox VPN showing

Private browsing: Now you see it, now you don't

A Private Window doesn’t save your browsing history and adds extra tracking protections.

See how it works
Kit pushing button

READY WHEN YOU ARE

Make Firefox your go-to browser

Keep your favorite browser close. Set Firefox as your default to open links here automatically, so you can get to where you're going faster.

Thanks for choosing Firefox

Looks like you're using a different browser right now. Make sure you have Firefox downloaded on your device.

Firefox Privacy Notice

You're almost done. Just change your default browser to Firefox in the settings panel on your screen.

Having trouble setting your default browser?

Here's everything you need to know about setting your default browser on Android devices.

Here's everything you need to know about setting your default browser on iOS devices.

You're all set.

More to explore

Kit, the Firefox mascot, removes an ad from a recipe page displayed on an iPhone.

Pop-up ads, you’re going down.

Firefox for iOS now has a built-in ad blocker to reduce pop-ups. Turn it on in Settings > Browsing.

Meet your mobile ad blocker
Add-ons image on grey background featuring add-ons: stylus, privacy badger, and read aloud.

Make Firefox
your own

Choose from thousands of add-ons
to customize Firefox for how you browse.

Discover extensions

More to explore

Kit, the Firefox mascot, removes an ad from a recipe page displayed on an iPhone.

Pop-up ads, you’re going down.

Firefox for iOS now has a built-in ad blocker to reduce pop-ups. Turn it on in Settings > Browsing.

Meet your mobile ad blocker
Add-ons image on grey background featuring add-ons: stylus, privacy badger, and read aloud.

Make Firefox
your own

Choose from thousands of add-ons to customize Firefox for how you browse.

Discover extensions
A phone displays an “Ask anything” prompt, surrounded by voice questions about activities in Lisbon, tomorrow’s weather, and travel cameras.

IN CASE YOU MISSED IT

Use Quick Answers in Firefox for iOS

Have a question while you browse? Ask it out loud and get a concise answer right in Firefox, with sources when you want to explore further.

Get Firefox on your phone

Take Firefox with you.
VPN(1)

FREE VPN

Extra privacy. No extra cost.

Hide your location and IP address with just a tap in Firefox for Android. Add another layer of protection — free, with 10x more monthly data than other major browsers.

Get Firefox on your phone

Take Firefox with you.
See all that's new in Firefox 158

Keep up with all things Firefox

Get how-tos, advice and news to make your Firefox experience work best for you.