FreeFileSync 10.5

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

14.5 MB
4.4 23 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 file matching considering Unicode normalization
  • User-configurable timeout for FTP and SFTP
  • Obsoleted old CHM manual in favor of PDF
  • Ignore case sensitivity during filter matching (Linux)
  • Unicode-normalized, faster case-insensitive grid search
  • New button to save current view filter settings as default
  • Both slash/backslash can be used in filter expressions
  • Improved Unicode case conversion routines
  • Keyboard shortcuts for swap sides (F10) and view (F11)
  • Don't steal focus when closing progress dialog (macOS)
  • Fixed shutdown crash when accessing destroyed state
  • Fixed file grid column order not being preserved
  • Fixed manual activation fields being disabled (macOS)
  • Fixed FTP parsing error due to invalid folder time
  • Fixed statistics boxes background distortion (macOS)

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