FreeFileSync 10.13

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

13.6 MB
4.5 25 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:

  • Allow to rename configurations via context menu
  • Work around hang on SMB network with broken FileFullDirectoryInformation
  • Work around SMB share returning empty item name
  • Detect and preempt keyman64.dll crash on exit
  • Manage notification sounds via global options dialog
  • Support 32-bit Debian Jessie and later releases
  • Work around silent failure to case-only rename on FAT drives (Windows 10)
  • Simplified installation folder structure
  • Update main grid scrollbars when resizing columns on other side
  • Preserve input focus when clicking on grid column label
  • Buffer result of process path normalization
  • Mirror middle grid icons for RTL layout (Linux)
  • Force LTR layout until wxWidgets supports RTL (macOS)
  • Fixed pair scrolling mismatch when grid height is exceeded by one row
  • Fixed startup failure due to missing /etc/machine-id (Linux)

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