FreeFileSync: Folder Comparison & Synchronization

Key Features

• FreeFileSync is a free backup software that helps you to compare and synchronize files and folders on Windows, Linux and macOS.
• It is designed to save your time setting up and running backup jobs while having nice visual feedback along the way.Features:- Detect moved and renamed files and folders- Copy locked files (Volume Shadow Copy Service)- Detect conflicts and propagate deletions- Binary file comparison- Configure handling of Symbolic Links- Automate sync as a batch job- Process multiple folder pairs- Comprehensive and detailed error reporting- Copy NTFS extended attributes (compressed, encrypted, sparse)- Copy NTFS security permissions- Support long file paths with more than 260 characters- Fail-safe file copy- Cross-platform: Windows, Linux, Mac OS X- Expand environment variables like %USERPROFILE%- Access variable drive letters by volume name (USB sticks)- Native 64-bit support- Keep versions of deleted/updated files- Prevent disc space bottlenecks via optimal sync sequence- Full Unicode support- Highly optimized runtime performance- Include/exclude files via filter- FreeFileSync portable and local installation available- Handle daylight saving time changes on FAT/FAT32- Use macros %time%, %date%, et al.
• for recurring backups- Case-sensitive synchronization- Built-in locking: serialize multiple jobs running against the same network share

Technical Specifications

• **Publisher:** Freefilesync.org
• **License:** Freeware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Utilities / Synchronization