This avoids time consuming file copy and delete operations and instead completes the task with a single hard drive access. Batch jobs can be started with a simple mouse double-click or triggered automatically by a task scheduler.įreeFileSync detects moved files and reproduces the move on the target drive. Users can set up mirror, two-way, or custom synchronization rules, and then create batch jobs that run the sync without requiring manual interaction. This further enhances FreeFileSync's capabilities to not only work with local drives and network shares but also synchronize mobile and cloud storage.įreeFileSync eliminates the tedious and error-prone task of manually identifying files that have changed on the source folder and copying them to the target folder, no matter what protocol is used to access files. The new version supports synchronization via FTP (File Transfer Protocol) and the encrypted variant FTPS (SSL/TLS). A huge thanks to everyone who is contributing to make this possible!Ĭross-Platform File and Folder Synchronization Software adds Support for FTP and FTPSįreeFileSync ( ) has released version 9.1 of its free open source file synchronization utility for Windows, Linux, and macOS. Beginning with version 10, the project is fully relying on donations from users to finance its ongoing expenses in software development and support. Binary-comparison also processes all files in parallel.īefore version 10, FreeFileSync had shown a single advertisement during installation to help fund the project. Folder comparison will issue multiple requests at a time even when traversing only a single folder, by dynamically managing the workload while recursively reading the folder tree. The new parallel file operations architecture is not limited to the synchronization step, but used throughout the application. The idle time after issuing each file I/O request while waiting for the network response is not the limiting factor anymore: The number of parallel operations can be set as high as needed until the bandwidth is saturated and the network card is operating at full speed. This new design offers huge performance improvements for all scenarios that are dominated by latency, like synchronization against network shares or cloud devices including SFTP and FTP(S). During synchronization FreeFileSync will then spawn several tasks accordingly instead of processing only one file after another. It is now possible to specify the number of parallel file operations for each device inside the settings. 2-way sync works but the 1-way sync "Echo mode" does not restore files that were deleted on the destination so I can't recommend it for more than simple 2-way sync situations.FreeFileSync version 10 has added support for copying The SyncToy_*.dat files in the sync roots are annoying to look at. It's Windows only and was last updated in 2009. It creates a SyncToy_.dat database file in the root of each folder.Ĭons: SyncToy throws errors on junctions and directory links. SyncToy is a popular older offering, fast and simple to use. FFS is not fully automatic - it's worth checking the sync preview in case of conflicting changes on both sides. If part of the tree has complex changes coming from both sides, it's worth using the "temp exclude" feature to focus down to the tricky part and tweak the direction choices.Ĭons: No biggies, but there's a learning curve for discovering the features. Tip: to sync a tree of symlinks, set "Symbolic Link Handling" to "Follow" under the "Compare" gear-icon. It loads huge directories (100,000+ files) easily. FreeFileSync is a C++ app cross-platform for Win, Mac and Linux. The UI makes it easy to specify entire subfolders to sync to the right or left or exclude temporarily. For 2-way sync it builds a hidden ".sync.ffs_db"ĭatabase in each root that enables it to speed up sync when files have been renamed, and determine in which direction to sync new or deleted files. FreeFileSync does 1-way mirror and 2-way sync.
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