RoboSync
Staff PickFeaturedVerifiedOpen SourceA friendly Robocopy GUI for Windows
www.navanem.com/projects/robosync-robocopy-guiLast updated: June 2026
A free, open-source desktop app that puts a modern graphical interface on Windows Robocopy. Copy, mirror, move and sync folders without memorising command-line flags — with a live command preview, dry-run mode and real-time progress.
About
RoboSync is a free, open-source desktop application that wraps Windows' powerful but cryptic Robocopy tool in a modern, approachable graphical interface. Robocopy is one of the most reliable file-copy engines on Windows, but its dozens of command-line flags make it intimidating and error-prone for everyday use. RoboSync keeps all of that power while removing the need to memorise switches.
You pick a source and destination folder, choose an operation mode — copy, mirror, move or sync — and configure advanced options through clear controls. RoboSync builds the correct Robocopy command for you (shown live in a real-time command preview), runs it against the native Robocopy.exe, and streams progress back with file counts, elapsed time and ETA. A dry-run mode lets you verify exactly what will happen before any file is touched.
It is built with C# on .NET 8 using WPF and an MVVM architecture, with xUnit tests, and runs on Windows 10 and 11. The packaged executable needs no .NET installation. RoboSync is released under the MIT license and is created and maintained by Emanuel De Almeida in Geneva, Switzerland.
Positioning
RoboSync positions itself as the safe, transparent front-end for Robocopy — the middle ground between memorising raw command-line flags and trusting an opaque third-party sync utility.
- Robocopy under the hood — Uses the native, battle-tested Windows engine, not a reimplementation.
- No flags to memorise — Clear modes and options instead of cryptic switches.
- Transparent — Live command preview shows exactly what will run; dry-run shows exactly what will change.
- Repeatable — Save and reload job configurations as JSON for recurring transfers.
- Free & open source — MIT-licensed, no ads, no telemetry.
What You Get
- Four operation modes: copy, mirror, move and sync
- Native folder pickers with validation and confirmation steps
- Advanced options: include subfolders, retry counts, multithreading, permissions and exclusion patterns
- Real-time command preview — see the exact Robocopy command before it runs
- Dry-run preview to verify the outcome without changing any files
- Live progress streaming with file counts, elapsed time and ETA
- Color-coded logging to the UI and to timestamped log files
- Save and reload job configurations as JSON for repeatable transfers
- Runs on Windows 10 and 11; packaged executable needs no .NET installation
Core Areas
File copy & sync
Copy, mirror, move and sync folders using the native Robocopy engine
Backup workflows
Repeatable, savable jobs ideal for scheduled or recurring backups
Safety & transparency
Live command preview and dry-run mode before any change is made
Monitoring
Real-time progress, ETA and color-coded logs to UI and timestamped files
Automation-friendly
JSON job configs that can be saved, shared and reloaded
Why It Matters
Robocopy ships with every modern version of Windows and is, by reputation, one of the most dependable file-copy tools available — fast, resilient and able to resume interrupted transfers. Yet most people never use it, because its power is buried behind an intimidating wall of command-line flags where a single wrong switch (such as /mir) can silently delete data.
RoboSync unlocks that reliability for everyone. By turning Robocopy's switches into clear, validated controls and showing the exact command plus a dry-run before execution, it makes professional-grade folder copying and mirroring safe and approachable — for IT admins automating backups and for ordinary users moving large folders alike. It is the difference between trusting a black-box sync app and driving Windows' own proven engine with full visibility into what it will do.
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