Change file system without formating?

I want to convert my drive from NTFS to a Linux filesystem, i have backups and my Steam games on it, i dont want to erase my disk. So my question is, is it possible to change the filesystem without erasing the data on the drive?
And wich filesystem is best for just storing data/playing games?

No. Maybe, see below.

btrfs if you want transparent file compression, otherwise ext4.

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Yes. You can use ntfs2btrfs for this. But it unsafe.

btrfs- best choice for desktop.


Well, it did work it is btrfs now.. but i cant automaticly mount it anymore for some reason.
when i put this into fstab:

UUID=3469d16f-a45f-fd06-a407-cb84ce7019d9 /run/media/3469d16f-a45f-fd06-a407-cb84ce7019d9 btrfs nofail,noatime,rw,user,uid=1000,gid=1000,dmask=0,fmask=0,auto 0 0

The drive isnt visible anymore and the folder of the drive is empty meaning i cant access it.
It works again as intendet without fstab if i mount it myself..

You could try a systemd mount and automount unit as an alternative to fstab.


That seems to work, but how to mount it with read/write permission like i did above with fstab? i mean uid=1000,gid=1000,dmask=0,fmask=0
if i put it like that in there it says (in the error log) BTRFS error (device sda1): unrecognized mount option 'uid=1000'

Use GUI gnome-disk-utility.

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Does not work. If i try to mount it with that utility it says:
But only if i try to mount it automaticly, manually works just fine without problems.
PS: Im going to sleep now.

Read: fstab - ArchWiki

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