Forma Drive: NTFS Read & Write

Write to NTFS drives on your Mac, right in Finder. Forma Drive also reads and writes ext4, Btrfs, XFS and other Linux drives, shows what is taking up disk space, and finds duplicate files across your Mac, external drives and cloud storage.

WRITE TO NTFS AND LINUX DRIVES IN FINDER
Copy, edit, rename and delete files on NTFS, exFAT, FAT, ext2/3/4, Btrfs, XFS and F2FS drives. Encrypted LUKS and BitLocker drives, and LVM and RAID member disks, are supported too. Enable the file system extension in System Settings once, then turn on file access for each drive.
If an NTFS drive was not shut down cleanly, Forma Drive opens it read-only and tells you why. You can repair it in the app and then write to it again.

SEE WHAT USES YOUR SPACE
Explore disk usage by folder, app and file type, and find large files. Review app caches, developer build files and apps you no longer use. Every cleanup opens a review list that separates items deleted permanently from items moved to the Trash, and nothing is removed until you confirm.

CLEAN EXTERNAL DRIVES
Find large files, empty folders, duplicates and leftovers such as .DS_Store and Thumbs.db on external drives.

FIND DUPLICATES ACROSS STORAGE
Compare files of 10 MB and larger across your Mac, external drives and cloud storage. Cloud files are compared using the hashes the service provides, so nothing is downloaded. Review confirmed matches and choose which copy to keep.

OPEN CLOUD STORAGE IN FINDER
Connect Dropbox, OneDrive, S3-compatible storage, WebDAV, SFTP and other supported services, and open SMB or NFS network shares. Use your own account or server. Google Drive is not supported.

BACK UP IMPORTANT FOLDERS
Back up folders to another location on your Mac, an external drive, a NAS or supported cloud storage. Schedule backups and keep earlier versions.

CHECK YOUR DRIVES
See each drive's format and capacity, run a disk check, and see whether the port, cable or enclosure limits its speed.

BEFORE YOU BUY
Requires a Mac with Apple silicon and macOS 26 or later. Paid download, with no in-app purchases or subscriptions. Wait for file operations to finish and eject a drive before unplugging it.