Disk Analyzer：原生 SwiftUI 磁盘分析工具，交互式旭日图 + 中英双语，无遥测，开源免费

by Mycelium Protocol

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GitHub：daniel-weih/disk-analyzer ⭐ 1 | Swift | MIT | v2.2.0
语言：原生 SwiftUI | 系统要求：macOS 13+，Apple Silicon
发布：2026-08-26 | 中英双语界面

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这是什么

Disk Analyzer 是一个原生 macOS 磁盘空间分析工具。

它的核心是一个多级交互式旭日图（sunburst chart）——可以双击下钻进入子目录，直观地看到哪些文件夹和文件占用了最多空间。同时提供目录和文件的排名列表，以及搜索和排序功能。

值得关注的是它在磁盘计算上的用心：区分已分配磁盘空间（st_blocks × 512，与 du -sk 一致）和文件逻辑大小（st_size）——对于稀疏文件、硬链接、APFS 克隆，这两个数字可以差异很大，大多数磁盘工具不做区分，会给出误导性总量。

界面支持简体中文和英文，在应用内一键切换，并在多次启动间记忆设置。

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核心功能

可视化与导航

• 多级旭日图，双击下钻进入子目录
• 当前目录级别、最大目录、最大文件三组排名
• 搜索、按大小/名称排序
• Finder 中显示文件、安全移入废纸篓（需确认）
• Home 按钮保留最近一次扫描结果和下钻位置

扫描范围

• 启动磁盘（整机）
• 当前用户主目录
• 外置存储卷
• 任意选择的文件夹

精确的磁盘计量

指标	实现方式	说明
已分配大小	lstat(2) → st_blocks × 512	同 du -sk，稀疏文件只计已分配块，硬链接 inode 只计一次
文件大小	st_size	文件内容的表观长度，稀疏文件/硬链接/APFS 克隆可能远大于实际占用

不跨文件系统边界，使用设备和 inode 标识避免 APFS firmlink 路径重复计数，优先显示 /Users、/Applications 等可理解路径。

诊断信息

• 显式报告跳过的挂载卷和文件系统边界
• 不静默地把不可读路径处理为零字节
• APFS 快照、可清除空间、共享克隆区域单独展示，不混入普通目录总量

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隐私与安全

• 无网络请求：没有分析 SDK、遥测、账号、云存储
• 扫描结果留在内存：不以浏览历史形式持久化
• 只读元数据：读取名称、路径和文件系统元数据，不读取文件内容
• 清理使用系统废纸篓：可恢复，需要用户确认
• 受保护的系统根目录（/System 等）无法从应用内移入废纸篓

完全磁盘访问权限

macOS 不允许应用自行授予”完全磁盘访问”权限。Disk Analyzer 在需要广泛扫描之前，引导用户前往”系统设置 → 隐私与安全性 → 完全磁盘访问”，并通过对受保护 TCC 数据库的只读探针验证权限是否真正生效——而不是简单地把”打开设置”或”重启应用”当作已授权的证明。

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安装

方式一：从源码构建（推荐）

需要 macOS 13+、Xcode 或 Xcode 命令行工具附带的 Swift 工具链。

git clone https://github.com/daniel-weih/disk-analyzer.git
cd disk-analyzer
swift run

构建应用包：

./scripts/package_app.sh
open dist/DiskAnalyzer.app

构建并验证 DMG：

./scripts/package_dmg.sh
open dist/DiskAnalyzer-2.2.0-arm64.dmg

方式二：直接下载 DMG

下载 Disk Analyzer 2.2.0（Apple Silicon）

注意：可下载版本使用 ad-hoc 签名，未经 Apple 公证。macOS 可能提示无法验证开发者。Control-click 应用图标 → 选择”打开”即可绕过。

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为什么值得关注

macOS 上的磁盘分析工具不少——DaisyDisk、GrandPerspective、OmniDiskSweeper，都是老牌付费或老旧软件。

Disk Analyzer 的差异点：

1. 原生 SwiftUI：不是 Electron，不是 Qt，跟系统外观完全一致
2. 磁盘计量诚实：把已分配空间和逻辑大小分开报告，不给你一个看起来很大但含义不清的数字
3. 完全免费开源：MIT，代码在 GitHub，没有付费功能、没有订阅
4. 中文界面：国内用户不需要切系统语言，应用内一键切换，重启记忆

刚发布一天，Stars 还是个位数，但功能完整度和代码质量看起来是认真做的项目。

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相关链接

• GitHub：https://github.com/daniel-weih/disk-analyzer
• 下载（v2.2.0 DMG）：https://github.com/daniel-weih/disk-analyzer/releases/download/v2.2.0/DiskAnalyzer-2.2.0-arm64.dmg

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关于 Mycelium

菌丝协议。持续追踪 AI 工具、系统和实验的内容节点。

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Disk Analyzer: Native SwiftUI Disk Space Tool for macOS — Sunburst Chart, Bilingual, No Telemetry, Open Source

by Mycelium Protocol

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GitHub: daniel-weih/disk-analyzer ⭐ 1 | Swift | MIT | v2.2.0
Language: Native SwiftUI | Requirements: macOS 13+, Apple Silicon
Released: 2026-08-26 | Chinese/English bilingual interface

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What It Is

Disk Analyzer is a native macOS disk space analyzer.

Its core feature is an interactive multi-level sunburst chart — double-click any ring segment to drill down into a subdirectory and see exactly where space is going. Alongside the chart are sortable directory and file ranking lists, plus search.

It pays careful attention to disk accounting: it distinguishes allocated disk space (st_blocks × 512, consistent with du -sk) from logical file size (st_size). For sparse files, hard links, and APFS clones, these numbers can differ dramatically — most disk tools don’t separate them, leading to misleading totals.

The interface supports Simplified Chinese and English, switchable inside the app, with the choice remembered across launches.

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Core Features

Visualization and navigation

• Multi-level sunburst chart with double-click drill-down
• Three ranking views: current directory level, largest directories, largest files
• Search, sort by size or name
• Reveal in Finder, safe move-to-Trash (requires confirmation)
• Home button preserves the most recent scan result and drill-down position

Scan scope

• Startup disk (full machine)
• Current user’s home directory
• External volumes
• Any selected folder

Precise disk accounting

Metric	Implementation	Notes
Allocated size	lstat(2) → st_blocks × 512	Same as du -sk; sparse files count only allocated blocks; same hard-linked inode counted once
File size	st_size	Apparent content length; sparse files/hard links/APFS clones can be much larger than actual disk use

Scans don’t cross filesystem boundaries. Device and inode identities prevent duplicate APFS firmlink paths; understandable paths like /Users and /Applications are preferred in results.

Diagnostics

• Explicitly reports skipped mounted volumes and filesystem boundaries
• Never silently treats unreadable paths as zero bytes
• APFS snapshots, purgeable space, and shared clone extents are kept distinct from ordinary directory totals

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Privacy and Safety

• No network requests: no analytics SDKs, telemetry, accounts, or cloud storage
• Scan results stay in process memory: not persisted as browsing history
• Read-only metadata: reads names, paths, and filesystem metadata; never file contents
• Cleanup via system Trash: recoverable, requires user confirmation
• Protected system roots (/System, etc.) cannot be moved to Trash from the app

Full Disk Access

macOS doesn’t allow an app to grant itself Full Disk Access. Before a broad scan, Disk Analyzer guides the user to System Settings → Privacy & Security → Full Disk Access, and verifies the grant using a read-only probe of a protected TCC database — rather than treating “opened Settings” or “restarted the app” as proof that access was actually granted.

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Install

Option 1: Build from source (recommended)

Requires macOS 13+ and the Swift toolchain from Xcode or Xcode Command Line Tools.

git clone https://github.com/daniel-weih/disk-analyzer.git
cd disk-analyzer
swift run

Build an app bundle:

./scripts/package_app.sh
open dist/DiskAnalyzer.app

Build and verify a DMG:

./scripts/package_dmg.sh
open dist/DiskAnalyzer-2.2.0-arm64.dmg

Option 2: Download the DMG

Download Disk Analyzer 2.2.0 for Apple Silicon

Note: the downloadable app uses an ad-hoc signature and is not notarized by Apple. macOS may warn it cannot verify the developer. Control-click the app in Finder → Open to bypass.

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Why It Matters

macOS disk analyzers aren’t new — DaisyDisk, GrandPerspective, OmniDiskSweeper have been around for years. Most are paid, abandoned, or both.

Disk Analyzer’s differentiators:

1. Native SwiftUI: not Electron, not Qt — matches the system UI completely
2. Honest disk accounting: reports allocated space and logical size separately, not a single ambiguous number
3. Fully free and open source: MIT, code on GitHub, no paid features, no subscriptions
4. Bilingual: in-app Chinese/English switching — no need to change system language

Released today, still in single-digit stars, but the feature completeness and design care suggest a serious project worth watching.

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Links

• GitHub: https://github.com/daniel-weih/disk-analyzer
• Download (v2.2.0 DMG): https://github.com/daniel-weih/disk-analyzer/releases/download/v2.2.0/DiskAnalyzer-2.2.0-arm64.dmg

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