Visualize disk usage with an interactive treemap, quickly identify large files and folders, explore your filesystem, and reclaim storage space.

Download SpaceBrowser

Features

SpaceBrowser recreates the main features of SpaceMonger 1.4 in a modern, cross-platform application.

Show all features

Visualization and scanning

• Size-proportional treemap for files and folders
• Locations sidebar for drives, volumes, and folders
• Optional free-space node for scanned volumes
• Configurable small-file aggregation threshold
• Animated live scan display
• Exclusions for paths, hidden files, symlinks, and network filesystems

Navigation and actions

• In-treemap navigation with Back, Forward, Parent, and Root commands
• Hover details with full path, byte size, modification date, and system icon
• "Open" and "Open with…" commands for files and folders
• Move-to-trash and permanent deletion with protection for sensitive filesystem locations
• Empty trash command

Customization

• Configurable rectangle color palettes, scale, shape, shading, and hover highlighting
• Rebindable keyboard shortcuts
• Persistent application settings

Platforms

• Windows: Supported
• Linux: Supported
• macOS: Build available, but not yet tested

Installation

Download the latest available version from the GitHub Releases page.

Platform	Available packages
Windows	MSI installer, portable EXE
Linux	DEB, RPM, portable binary, setup TAR.GZ
macOS	DMG, ZIP (untested)

Note: macOS builds are provided but have not yet been tested. Feedback and bug reports are welcome.

Build from source

Prerequisites

• Go 1.27.2
• Wails v2 development dependencies

Clone and install build tools

git clone https://github.com/Kiord/SpaceBrowser.git
cd SpaceBrowser
go install github.com/wailsapp/wails/v2/cmd/wails@v2.17.0

Build

wails build

Usage

Launch SpaceBrowser normally to select a location to scan, or provide a path as a command-line argument to begin scanning immediately.

Command-line options

Usage: spacebrowser [path] [options]

Launch SpaceBrowser and optionally begin scanning path.

Options:
      --no-cache         Disable saved-scan loading/saving for this session
      --cache            Enable saved-scan caching (default)
  -v, --verbosity level  Logging verbosity: 0=critical, 1=error,
                         2=warning, 3=info, 4=debug, 5=trace (default 3)
  -h, --help             Show this help
      --version          Show the SpaceBrowser version

Contributing

Contributions, bug reports and suggestions are welcome!

• Report a bug or request a feature
• Share feedback, especially about Linux and macOS compatibility