Rebex Tiny SFTP Server
Rebex Tiny SFTP Server: A portable, free SFTP server for simple Windows file sharing and testing. Ranked #27 of 33 in FTP Server Software by our editors (6.4/10); pricing: Free plan; best for single-user portable Windows SFTP.
At a glance
- Editor score6.4 / 10
- PricingFree plan
- Best forSingle-user portable Windows SFTP
- Free planYes
- Paid fromFree
- Founded1995 · Prague, Czech Republic
- Facts checked20 Sep 2026
Where it wins
- Free for commercial and non-commercial use
- Runs as a Windows executable without installation
- Supports password and RSA/DSA public-key authentication
Where it doesn't
- Limited to one user with one configured data folder
- Stores configuration, including the password, in clear text
- No web administration and not intended for production use
Our verdict on Rebex Tiny SFTP Server
Rebex Tiny SFTP Server is a small Windows application for running an SFTP server without installation or account registration. It is aimed at local development, testing, quick file sharing and temporary single-user setups. The server provides one user with read/write access to one configured data folder, making it a focused option for straightforward transfers rather than a platform for managing multiple accounts or storage areas. It runs on Windows with .NET Framework 4.0 and is distributed as open source.
The product’s main appeal is its low setup overhead. It runs as a Windows executable, uses a clear-text configuration file for settings and the password, and supports both password authentication and RSA/DSA public-key authentication. That combination suits users who need a compact SFTP endpoint quickly, especially when portability matters more than centralized administration. The free pricing model also covers commercial and non-commercial use, so there is no paid tier to evaluate when choosing the product for a small, temporary deployment.
Security and scope are the key boundaries. Clear-text password storage makes the configuration unsuitable for handling real production passwords, and the single-user, single-folder design limits the server to narrow use cases. There is no web administration, and the product is positioned for testing, development and quick sharing rather than production use. Choose Rebex Tiny SFTP Server when a portable Windows executable and basic authenticated file transfer are the priority. Choose another FTP server product when you need multiple users, virtual folders, administrative controls or a production-oriented deployment.
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Rebex Tiny SFTP Server pricing
Rebex Tiny SFTP Server fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Protocols supported | Not verified |
| User account limit | Not verified |
| Connection limit | Not verified |
| Virtual folders | No |
| Web administration | No |
| Automation API | Not verified |
| Audit logging | Not verified |
| Deployment | Desktop |
| Platforms | Windows |
| Support | Email, Community |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | rebex.net |
| Facts checked | 20 Sep 2026 |
Alternatives to Rebex Tiny SFTP Server
- SFTPGoA flexible open-source transfer server for teams needing multiple protocols and strong controls.9.4
- CompleteFTPA broad managed file transfer server for automated, resilient enterprise file exchange.9.2
- CrushFTPA broad, feature-rich self-hosted server with a low one-time entry price.9.0
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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