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Making moves
Status: Trending idea

Hi, recently I just start to use Firefox...again. So, I notice Firefox already have the feature where user can register and login to sync their browser settings, but not all apparently. Please sync all settings once the user login to Firefox browser, like bookmarks, saved passwords, browsing history, browser appearances (light theme, dark theme, customized toolbar), so that when I use Firefox in another PC/laptop, I just need to login to my Firefox browser, and it will be appeared 100% exactly like the previous Firefox in my previous PC/laptop. Chrome does this, and I hope Firefox will too.

New member

It would be very nice, to inform the Users that the Sync Function does not save any of your Passwords and those Stuff to a new OS.
In my case I lost all Passwords from the last 7 years (Bank Account, Facebook, Shops, and so much more) as I thought they are "Safe"

Strollin' around

I would love if the config of extensions could be synced.

Strollin' around

This is a very good idea, and I can also suggest some use cases. To me, mostly are "Allow to run in a private window" options and some customized settings.

For example:

I don't care about cookies/Return YouTube Dislikes/YouTube NonStop/Privacy Badger/etc. - allow running in a private window option

Enhancer for YouTube - Customized themes and allow running in a private window option

Grammarly/Grammar & Spell Checker login information sync - no longer need to login again on a newly installed device

uBlock/Adguard - whitelist and run in a private window option

Also, please be aware of backfire - if an extension or its setting messes up and causes Firefox to crash on launch, we need a fail-safe option or someway we can turn that extension off automatically in case of crashing.


New member

Great idea. As a minimum : bookmarks (as today) passwords, history, and main settings (such as privacy, homepage, search engine...).

I suppose extensions, and some hardware relevant settings, are not so easy to sync between desktop and mobile apps and/or from Windows to Apple, ... So, please, if it's a blocking point, don't throw away the idea, but reduce the scope.


Strollin' around

Hi, @vesta0 , thanks a lot for your answer.

I see there are a certain number of proposals already so I just wanna add that to better satisfy everybody maybe a main issue would be to allow the user to choose what to sync and what not in a future bigger menu?

I guess the desires of more technical users are not necessary similar to some other majority...

Kind regards (and best of lucks 😉

Making moves

Synced Tabs GROUPS or Synced WORK SPACES

Strollin' around

This is something that still blows my mind that Chrome has figured out and nailed down to a science, yet Firefox and Edge somehow can't. With Chrome, all I gotta do is sign in and everything is exactly how I left it: My toolbar layout is the same down to the placement of extensions and my added/removed search engines and their shortcuts are there too.


All Mozilla has to do is figure this out (and as an added bonus, sync modified flags as well!), and I'll switch back in a heartbeat.

Making moves

+1 please

Strollin' around

I would also love if all tabs not just sync over to other devices, but they're opened as well. Of course, user prefs for disabling that. But would be great to not even have to open 'tabs from another device'.


Thanks for pointing me to this thread

Strollin' around

Would be great if all open tabs sync to all other devices, and opened/load, when I open FF.



Strollin' around

Very much in support of Firefox supporting automatically syncing extension settings. Toolbar customization and other visual settings is another thing I'd prefer to automatically sync.

Currently re-applying all toolbar customization and extension settings is the biggest time commitment on every new Firefox installation.

Strollin' around

Fully agree. Make the PC a NC!

Making moves

Ability to sync everything

I've seen some ideas that are like this one but aren't quite literally there.

I believe the ability to sync absolutely everything would be amazing; like all the way from settings to about:config to extension data when enabled. Also Mobile lacks in this, you can't even sync addons.

Community Manager
Community Manager

(Note: similar ideas have been merged into this thread)

New member

Being able to sync extension settings and data would be great in general. Things like updated NoScript/UblockOrigin setting or filters. Sharing scripts for userscripts Tampermonkey. I'm sure there are quite a many more ideas but these are things I'm coming across lately.