SmartSynchronize Screenshot

Comparing Directories the Smart Way.
SmartSynchronize is an advanced file and directory compare tool.

SmartSynchronize is a multi-platform file and directory compare tool. It allows you to compare files or perform 3-way-merges, both with the ability to edit the file contents. SmartSynchronize is optimized for comparing directory structures (for example, of software projects), and can keep them synchronized.

Main Features

File Compare on macOS

File Compare

  • comfortable editing and transfer of changes from one file to the other
  • inner-line change detection

Directory Compare

  • configurable filter for customized directory scanning (inclusion and exclusion)
  • configurable filter for ignored files
  • easy transfer of changes from one directory structure to another
  • saving configuration for later re-use ("profile")
  • automatic synchronization depending on file times and previous synchronization time
Directory Compare with file preview on macOS
3-way-File-Merge on macOS


  • ability to edit each of the three files
  • easy merge from changed files to resulting files


  • command line interface for easy invocation from other applications
  • configurable font, colors and accelerators
  • runs on Windows, Linux, macOS
  • support for all major text file encodings