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duf

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A user-friendly disk usage/free utility for multiple operating systems.

Free, no paid tier
Free File Management Monitoring Terminal Tools Productivity
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Tracked since 2026

The Bottom Line

Price
Free, no paid tier. Compare plans

Key facts

  • User-friendly 'df' alternative with colorful output.
  • Supports Linux, BSD, macOS, and Windows.
  • Offers sorting, filtering, and JSON output for disk usage.

Pros

  • Enhanced readability compared to 'df'
  • Cross-platform compatibility (Linux, BSD, macOS, Windows)
  • Highly customizable output and filtering options
  • JSON output for programmatic use
  • Actively maintained and open-source

Cons

  • Requires Go environment for compiling from source
  • Oh-my-zsh users might need to unalias 'duf'

What is duf?

duf is a command-line utility designed to provide a more user-friendly and feature-rich alternative to the traditional 'df' command for checking disk usage and free space. It offers a colorful, adjustable output that adapts to your terminal's theme and width, making it easier to read and interpret disk information. This tool is ideal for system administrators, developers, and anyone who needs to quickly and efficiently monitor disk space on Linux, BSD, macOS, and Windows systems. Its features include sorting capabilities, device grouping and filtering, and the option to output data in JSON format for scripting and integration with other tools. duf aims to enhance the user experience by providing clear, customizable views of filesystem information, helping users identify storage issues and manage disk resources more effectively across various platforms.

Available on: Linux, macOS, Windows, Android

Data compiled by Toolradar Pricing checked · How we evaluate
Source github.com

Preview

Key Features

  • User-friendly, colorful output
  • Adjusts to terminal's theme & width
  • Sort results by various criteria (mountpoint, size, usage, etc.)
  • Group and filter devices
  • Output data in JSON format
  • Show/hide specific tables (local, network, fuse, special, loops, binds)
  • Show/hide specific filesystems (e.g., tmpfs, vfat)
  • Show/hide specific mount points

Pricing Plans

Pricing checked Oct 20, 2026. Source: github.com/muesli/duf, read Oct 20, 2026

duf plans and prices, checked October 2026
Plan Price Details
Open Source

Free

  • Full source code access
  • Other license
  • Community support
+1 more
  • Self-hosted
View full pricing

Is duf worth the price?

Great value

The pricing for duf is exceptionally fair and generous, as it is entirely free and open-source.

There are no dollar amounts to consider, making it an accessible utility for everyone. This model is best for individuals and organizations seeking a robust disk usage utility without any financial commitment.

Full duf pricing: every plan, hidden costs and alternatives

duf by the numbers

duf compared with 127 File Management tools on Toolradar, as of Oct 2026
Metric duf Peer median Position (1 is best)
Free plan Yes 65% have one n/a
Listed as an alternative to 2 tools 2 #49 of 127 (joint)

Each position is counted among the tools that have data for that row, as noted under it. All File Management data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “duf by the numbers”, Oct 2026.

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duf FAQ

How does duf improve upon the traditional 'df' command?

duf offers a more user-friendly and feature-rich experience compared to 'df' by providing a colorful, adjustable output that adapts to the terminal's theme and width. It also includes sorting capabilities, device grouping, and filtering options for clearer disk information.

Which operating systems are compatible with duf?

duf is designed for cross-platform compatibility, supporting Linux, BSD, macOS, and Windows systems. This allows users to monitor disk space consistently across various environments.

What kind of user benefits most from using duf?

System administrators, developers, and anyone needing to quickly and efficiently monitor disk space can benefit from duf. Its clear, customizable views help identify storage issues and manage disk resources effectively.

Can duf integrate with other tools or scripts?

Yes, duf can output data in JSON format, which allows for easy scripting and integration with other tools. This feature is useful for programmatic use and automated monitoring.

How is duf priced?

duf is free to use, meaning there is no paid plan required to access its features. It is also an actively maintained and open-source utility.

What are the main limitations a user might encounter with duf?

One limitation is that compiling duf from source requires a Go environment. Additionally, users of Oh-my-zsh might need to unalias 'duf' to use the utility effectively.

Source: github.com

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