whatsize ☆

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Description:
File system utility used to view and reclaim disk space

Type: Cask | Latest Version: 8.2.8@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: System utilities

Tags: disk-analyzer storage cleanup macos utility

Install: brew install --cask whatsize

About:
WhatSize is a comprehensive disk space analyzer for macOS that scans drives to reveal which files and folders are consuming the most storage. It offers powerful sorting, filtering, and duplicate file detection capabilities to help users quickly identify space hogs. The tool provides an intuitive visual interface to efficiently reclaim gigabytes of wasted disk space.

Key Features:

Visual disk space analysis with sortable file and folder lists
Duplicate file finder with checksum verification
Advanced filtering by file type, size, and date ranges
Quick Look integration for file previews
Safe deletion with undo capability

Use Cases:

Identifying large files and folders consuming disk space on a full drive
Finding and removing duplicate photos, videos, and documents
Cleaning up old downloads and application caches to free up storage

Alternatives:

GrandPerspective – Free and open-source alternative with similar tree-map visualization
DaisyDisk – Polished commercial competitor with more modern UI and cloud storage integration
ncdu – Terminal-based utility for remote servers and power users

Version History

Detected	Version	Change	Commit
Aug 9, 2026 1:51pm	8.2.8	VERSION_BUMP	70fcf4ed
Jul 26, 2026 4:40pm	8.2.7	VERSION_BUMP	ebd000a7
Jul 21, 2026 8:53pm	8.2.6	VERSION_BUMP	2872e15f
Jul 21, 2026 5:19pm	8.2.5	VERSION_BUMP	08f8883b
Sep 15, 2025 1:25pm	8.2.3	VERSION_BUMP	bb708a65
Jul 31, 2025 1:32am	8.2.3	VERSION_BUMP	b2c5c629
Dec 24, 2023 9:24am	7.7.7	VERSION_BUMP	9c677338
Apr 1, 2023 1:40pm	7.7.7	VERSION_BUMP	e761b269
Dec 5, 2022 5:49am	7.7.7,7770	VERSION_BUMP	0f26f851
Oct 31, 2022 6:46am	7.7.6,7760	VERSION_BUMP	d3cf2683