FreeFileSync Open Source File Synchronization

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Synchronize Files and Folders

Key features
FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your important files. Instead of copying every file every time, FreeFileSync determines the differences between a source and a target folder and transfers only the minimum amount of data needed. FreeFileSync is Open Source software, available for Windows, macOS, and Linux.
FreeFileSync 10.9
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Latest News

Feb 10, 2019
FreeFileSync 10.9 has been released!
Jan 26, 2019
Synchronize files with Google Drive
Jul 16, 2018
Parallel file copy and ad-free installer
Jun 11, 2017
FreeFileSync Video Tutorials available
May 24, 2017
FreeFileSync adds Support for FTP and FTPS
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User Reviews

Hi, Dev! Congratulations for the Software. It's very useful. Keep developing it! Big hug!
Wendell Vaz De Almeida
Works perfectly! I use it to backup files from my Uni-Server... Keeps me up to date every week with one click. =)
I use FFS more often, and like it better, than Beyond Compare or Exam Diff. Thanks for your excellent program.
Harold Bradtke
I've tried many different programs for file synchronization. I stopped when I started using FreeFileSync. Thank you for developing such a superb and super-useful program. I am recommending it whenever I have a chance. Keep up the already-very-good work. Cheers.
M. Del Gatto