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:

  • Fixed crash when failing to create log file during batch run
  • Show directory traversal errors as conflict category on grid
  • Improved file filter behavior for certain edge cases when updating the database
  • Fixed crash when task scheduler ends FreeFileSync after a certain time (Windows)
  • Don't show alternative folder paths if volume name is empty
  • Support silent installation for Inno Setup (Windows)
  • Fixed recursive yield when minimized into notification area (Linux, OS X)
  • Include ACLs when copying file and folder permissions (OS X)
  • New file copy routine including extended attributes (OS X)
  • Fixed failure to permanently delete directories containing symlinks
  • Copy extended attributes when creating new folders and symlinks (OS X)
  • Restore process umask after creating lock file (Linux, OS X)
  • Copy directory permissions by default (Linux, OS X)
  • Optimized construction of merged path filters
  • Exclude items subject to traversal errors when updating the database