Visualize disk usage with an interactive treemap. Find large files and folders, and reclaim storage space.

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 with disk usage and storage details
• Optional free-space node for scanned volumes
• Configurable small-file aggregation threshold
• Live scan display with pause, resume, and cancel controls
• Saved scans across app restarts, with cache management
• Rescan selected folders and automatically update overlapping scans
• Exclusions for paths, hidden files, symlinks, and network filesystems

Navigation and actions

• Folder breadcrumbs and Back, Forward, Parent, and Root commands
• Customizable tooltips with dates, sizes, icons, and file/folder counts
• "Open" and "Open with…" commands for files and folders
• Multiple selection for batch opening and deletion
• Move-to-trash and permanent deletion with protection for sensitive filesystem locations
• Restore trash items and empty trash

Customization

• Configurable colors, scale, spacing, shape, shading, and hover highlighting
• Live previews for appearance settings
• Rebindable keyboard shortcuts
• Persistent application settings

Platforms

• Windows: Supported
• Linux: Supported
• macOS: Supported

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

Linux setup archives include Install.sh; macOS packages include Install.command. Setup offers optional "Scan with SpaceBrowser" file-manager shortcuts.

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

Select a location in the sidebar, or enter a folder path to scan. Pass a path on the command line to scan it at startup.

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