FreeFileSync - Open Source File Synchronization

Open Source File Synchronization
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FreeFileSync Heart
FreeFileSync strives to provide high-quality software with zero open bugs. This is achieved by fast release cycles and free 24/7 support for everyone.
If you find FreeFileSync useful, please consider supporting the project by donating.
Your donation will fund the development of new features and help to keep up continuous program maintenance. This ensures that FreeFileSync stays up to date and always provides the best performance on constantly changing hardware and software.
Donate and get the FreeFileSync Donation Edition with bonus features:
parallel file copy
portable zip package
silent installation
Show Donation Edition details

Download FreeFileSync

Download FreeFileSync 10.1 Windows Setup
Download FreeFileSync 10.1 macOS
Download FreeFileSync 10.1 Linux 64-bit
Download FreeFileSync 10.1 Linux 32-bit
Download FreeFileSync 10.1 Source
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Latest Changes

FreeFileSync 10.1
Jun 3, 2018
Binary-compare multiple files in parallel
Copy file permissions when creating base folders
Fixed hang when scrolling file list (Windows)
Fixed file list mismatch when cancelling sync
Fixed delay when cancelling folder existence check
Fixed sync processing order to honor FIFO
Fixed startup delay when internet is offline (Linux, macOS)
Fixed crash when closing via the macOS Dock
Support installation without admin rights (macOS)
Fixed bcrypt.dll not found on startup (Windows XP)
Respect Content-Length header for HTTP requests
Support parallel folder traversal on Ubuntu 16.4
Fixed missing shared library dependencies (Linux)
Unified precompiled Linux binary packages