FreeFileSync

FreeFileSync 9.4

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.
Windows/macOS/Linux
Freeware
11.4 MB
8,327
4.6 20 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:

  • Fixed copying files with locked byte ranges using VSS
  • Fixed wrong FTP working directory reuse in libcurl
  • Allow retry upon failure during online update check
  • Repackaged Donation Edition to reduce AV false positives
  • Apply correct directory path encoding during FTP traversal
  • Fixed strict weak ordering for SFTP session ID sorting
  • Clean up read-only temporaries during failed sparse file copy
  • Fixed access denied file copy error for ADS
  • Workaround broken SMB servers reporting sparse support
  • Support hash characters in FTP directory listing
  • Prepared auto-updater to support new installer format
  • Refined installer error reporting
  • Streamlined sync config dialogs
  • Resized installer window dimensions

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