FreeFileSync 9.8

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

12.3 MB
4.5 22 votes

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


  • 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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