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FindDiskKiller
Finds the app, files or disk device behind sustained disk activity, with local monitoring.
MIT · Free download · Downloads from finddiskkiller.com
- License
- MIT
- Open source
- Source
- GitHub
- jianyintang
- Verified
- 2026
About FindDiskKiller
FindDiskKiller is for the moment when the disk is busy and the process list does not explain why. It compares CPU, disk, network, memory and time-range trends for each app, then lists the folders and files that app touches. When you need direct evidence, you can start a time-limited trace of a folder or file that records requested reads and writes and the processes behind them. Monitoring and analysis run on your Mac, and the README says the current release has no telemetry, analytics or ads.
It requires macOS 14 or later and runs natively on Apple silicon and Intel. The DMG is Developer ID signed and notarized. Basic monitoring needs no administrator approval. File tracing asks macOS for approval the first time you start it, and protected locations may also need Full Disk Access. The app is MIT licensed and its source is on GitHub.
Information
- Source code
- jianyintang/find-disk-killer
- License
- MIT
- Website
- finddiskkiller.com
- Download
- finddiskkiller.com
- Category
- Utilities
- Evidence checked
- Tags
OpenMacApps links to each project’s official download. Check its release notes for macOS version and Apple silicon support. The verification date records our license and source review, not a security audit. Read how we verify.
Sources and image credits
- github.com/jianyintang/find-disk-killer
- github.com/jianyintang/find-disk-killer/blob/main/LICENSE
- github.com/jianyintang/find-disk-killer/releases/latest
- finddiskkiller.com/en/download/
- icon.png: Jianyin Tang. MIT; upstream app icon, trademarks retained.
License and artwork notices
For the Developer
Link to this page from your README with a badge.
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