Quick Start
- Download the latest release above.
- Run
SpaceVoyager.exe(no installation required). - Select a folder to scan.
- Explore your disk usage visually!
About Space Voyager
Space Voyager is a free and open source tool for visualizing disk space usage on Windows. It helps you see which folders and files use the most space, so you can manage your storage more effectively.
Screenshots
Full Scan of Drive
Features at a Glance
Fast Scanning
Simple UI
Portable
CLI Support
JSON & HTML Export
Long Path Support
No Telemetry, Ads or Tracking
No usage restrictions
Why Choose Space Voyager?
Performance That Matters
Real-world benchmark (2 TB drive with 2,624,243 items):
Tool Scan Time Ads Cost
Space Voyager 8 seconds None Free
Popular Alternative 2.5 minutes Multiple Free/Paid
That's 18.75× faster on 2 TB of data.
- Lightning-fast scanning — no more waiting around
- Completely ad-free — no interruptions
- No feature restrictions or hidden costs
- Privacy respecting — zero data collection
- Perfect for Windows Server — no licensing restrictions
Full Feature List
- Lightning-fast multi-threaded scanning — configurable performance modes
- Advanced visualization — interactive pie charts with ImPlot and Dear ImGui
- Portable design — single executable, no installation required
- Multilingual UI — 14 languages supported
- CLI support — full automation with JSON/HTML export and thread control
- Smart folder management — quick/full scan options
- Long path support — handles paths longer than 260 characters
- Network share support — handles UNC paths and shares
- Enterprise-ready — no licensing restrictions on Windows Server
- Zero telemetry guarantee — no data collection, no network connections
- 100% open source — MIT licensed, inspect, modify, and contribute
System Requirements
- Windows 7, 8, 10, or 11 (64-bit)
- No installation required (portable executable)
- No additional dependencies for standard usage
Build from Source
Space Voyager is written in C++ using Dear ImGui. Clone the repo and open SpaceVoyager.sln in Visual Studio 2022 or later. See the build instructions on GitHub for details.
Changelog
See the GitHub Releases page for the latest updates and changes.
Community
FAQ
- Is Space Voyager safe to use?
Yes, it is open source and does not modify or delete files unless you explicitly choose to do so. - Does it collect any data?
No telemetry, tracking, or ads. 100% privacy respecting. - Can I contribute?
Absolutely! Contributions are welcome on GitHub. - What should I know before contributing?
Please read the contribution guidelines before submitting a PR or issue.
100% Free & Open Source — No limitations. No payment required.
View on GitHub
View on GitHub