WizTree-style disk analyzer for Mac

DuckDisk

A fast macOS disk space analyzer for finding large folders, inspecting file types, and cleaning up local storage from a dense table-first interface.

Download for macOS View Source
macOS Apple Silicon arm64 Tauri + Rust + React AGPL-3.0-or-later
DuckDisk scan results showing folder sizes, file counts, file type totals, and a treemap

Built for repeated cleanup work

Dense tree view

Sort folders and files by size, allocated size, item count, and parent percentage.

File type summary

See extension totals and percentages beside the directory table.

Finder integration

Reveal files and folders quickly before deciding what to remove.

Drag-to-delete

Collect cleanup targets in one delete zone and remove them deliberately.

Screenshots

DuckDisk start screen showing local disks, connected OneDrive storage, update checking, and Full Disk Access
Local and cloud storage Scan a local volume or connect OneDrive without downloading cloud files.
DuckDisk scan progress with file, size, percentage, and permission issue counters
Scan progress Track files, size, completion, and permission issues while DuckDisk scans.

Install

Download the latest DMG release, open it, and drag DuckDisk into Applications.

For full-disk scans, grant DuckDisk Full Disk Access in macOS Privacy & Security settings.

Open latest release

Keywords

DuckDisk is a disk usage visualizer, macOS disk space analyzer, and WizTree alternative for Mac users who want fast local cleanup.

Read the README on GitHub