VaporStow

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☁️ Cross-platform Steam Auto-Cloud file manager.

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✨ Features

• Browse and manage compatible Steam Clouds.
• Generic Steam Auto-Cloud support, including restricted and non-recursive rules.
• Cloud search, filters, favorites and circular carousel.
• File and folder management with Advanced Search.
• Large-file splitting and reconstruction.
• Incremental synchronization with progress, speed and ETA.
• Cloud usage, quota and file-slot tracking.
• Automatic Steam detection, launch and synchronization.
• App metadata, artwork and outside-library discovery.
• Windows, Linux and macOS support.

🚀 Usage

VaporStow development uses Node.js 22.x.

Normal workflow

fnm use 22
npm ci
npm run dev

Run the built desktop app

npm run app

Platform packages

Windows

npm run build-win

Output: release/VaporStow-windows-x64/

Linux

npm run build-lin

Output: release/VaporStow-linux-x64/

macOS

The DMG must be packaged on macOS:

npm run build-mac

Output: release/VaporStow-macos-x64/

Clean

Remove dependencies, generated files and caches:

npm run clean

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⚖️ Disclaimer and Intended Use

VaporStow is an independent open-source project, not affiliated with Valve or Steam. Users are responsible for complying with Valve/Steam terms and applicable laws. We are not responsible for misuse or user-managed content.

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👥 Authors

• Nullmess
• Ybucaille

Give a ⭐️ if VaporStow helped you!

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📝 License

Copyright © 2026 Nullmess & Ybucaille.
This project is licensed under the MIT License.