One Commander
OneCommander is a Windows file manager with dual-pane browsing, Miller columns, tabs, and built-in previews.
About One Commander
OneCommander is a file manager for Windows 11 and 10 that serves as an alternative to File Explorer. It provides dual-pane browsing with tabs, Miller columns navigation, built-in file preview, RegEx renaming, batch image conversion, and folder-level tasks and notes.
It requires Windows 10 or 11, with a display above 100 PPI recommended. Commercial use requires a Pro license, and the V4 beta requires the .NET 10 Runtime.
Key features
- Dual-pane browsing with persistent tabs across sessions
- Miller columns view for navigating deep folder structures
- File preview with Spacebar, plus QuickLook and Seer support
- RegEx file renaming and batch image conversion tools
- Support for Unicode paths over 260 characters
- Customizable themes with editable XAML and icons
Best for: Windows power users, designers, developers, and sysadmins who manage files across many folders.
Good for
- Free core features for home use with no ads or tracking per homepage
- Developer states no collection, storage, or transmission of personal data
- Supports paths longer than 260 characters with Unicode support
Watch out for
- Requires Windows 10 or 11
- Commercial or professional use requires a Pro license
- V4 beta requires .NET 10 Runtime
One Commander at a glance
- Website
- onecommander.com
- Category
- Software & Utilities › File Utilities
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- macOS, Web, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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One Commander FAQ
Which versions of Windows are required?
Windows 10 or Windows 11. A high-PPI screen above 100 PPI is recommended.
How do I preview a file?
Select a file and press Spacebar. Additional support for QuickLook and Seer is listed.
What is needed to try the V4 beta?
.NET 10 Runtime is required.
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