FreeFileSync 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 "TLS session resumption required" FTP error
- Log file time errors as "info" after comparing by file content
- Fixed tooltip not being updated during mouse scrolling (macOS, Linux)
- Fixed sluggy mouse scrolling during mouse movement (Linux)
- Skip ADS when failing to copy to ReFS (Windows)
- Updated translation files


