FreeFileSync

FreeFileSync 9.8

FreeFileSync is a free and Open Source folder comparison and synchronization tool.

Note: We've detected that FreeFileSync's installer might attempt to bundle third-party software. Our team has compiled a list of clean alternatives you can try instead. You can still download FreeFileSync but we suggest to proceed with caution and select the "Custom" installation option to identify any potential unwanted software.
Freeware
Windows/macOS/Linux
12.3 MB
10,307
4.5 22 votes

It is highly optimized for performance and usability without a needlessly complex user interface.

Features:

  • Detect moved and renamed files and folders
  • Copy locked files (Volume Shadow Copy Service)
  • Detect conflicts and propagate deletions
  • Binary comparison
  • Full support for Symbolic Links
  • Automate sync as a batch job
  • Multiple folder pairs
  • Copy NTFS extended attributes (compressed, encrypted, sparse)
  • Copy NTFS security permissions
  • Support long path names > 260 characters
  • Fail-safe file copy
  • Cross-platform: Windows/Linux
  • Expand environment variables like %USERPROFILE%
  • Access variable drive letters by volume name (USB sticks)
  • Native 32 and 64-bit builds
  • Keep versions of deleted/updated files
  • Optimal sync sequence prevents disc space bottlenecks
  • Full unicode support
  • Highly optimized performance
  • Include/exclude files via filter
  • Local and portable installation
  • Handle daylight saving time changes on FAT/FAT32
  • Use macros %time%, %date%, et al. for recurring backups
  • Case sensitive synchronization
  • Built-in locking serializes multiple jobs running against the same network share

What's New:

  • New installation command line option /disable_updates
  • Fixed crash when closing main dialog during sync
  • Fixed RealTimeSync crash after recursive mutex locking
  • Improved file copy performance on macOS
  • Clean up obsolete files during installation
  • Don't use threads for running async command line (Linux)
  • Avoid main dialog flash after minimized sync
  • Disable file list export until after comparison
  • Directly close progress dialog during sync
  • Redirect escape key from main dialog to progress dialog
  • Fixed startup delay during consistency checks
  • Updated translation files

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