macOS Storage Guides & Fixes
Practical, actionable engineering guides to solve macOS storage bloat, purge System Data, clean developer caches, and reclaim drive space.
Why Is macOS System Data 100GB+ & How to Fix It
Deep dive into hidden caches, Time Machine snapshots, and abandoned logs eating your drive.
Xcode DerivedData & Device Support Purging
Reclaim 40GB+ of stale build artifacts, module caches, and orphaned simulator runtime data.
Docker Desktop Virtual Disk (Docker.raw) Reclaim
Fixing Docker's expanding disk image that fails to shrink after container deletions.
iCloud Drive Local Eviction (Remove Download)
Stop iCloud Drive and Google Drive from filling up your physical SSD with ghost files.
Find & Delete Orphan node_modules Folders
Sweep forgotten JavaScript dependencies across old work and client projects.
APFS Local Snapshots: Delete Hidden Disk Hogs
Using tmutil and XrayMac to purge phantom snapshots created during macOS updates.
Clean Python .venv, Conda Packages & PyTorch
Reclaim 30GB+ of duplicate pip wheels, HuggingFace weights, and conda environments.
How SHA-256 Duplicate Detection Works
Why checksum hashing prevents accidental deletion of similar yet distinct photo edits.
Surviving on a 256GB M-Series MacBook Air
A developer's blueprint for keeping 60GB free on base model MacBooks.