Reviewed July 28, 2026 · DiskStory
How to find large files without reading their contents
Use names, paths, types, allocated size, and modification time to rank storage impact while keeping contents out of the scan.
Direct answer
A storage analyzer does not need to open a document, photo, archive, or source file to identify its storage impact. File-system metadata is enough to rank candidates, but the path, owner, age, risk, and recovery route still matter before any action.
Keep the path beside the size
A large number without its source is not decision-grade evidence. Review the exact path and which application is responsible for the item.
Separate generated data from personal content
Known generated locations such as Xcode DerivedData can have a regeneration story. A large personal file remains a user decision, not an automatic recommendation.
Revalidate immediately before an action
DiskStory checks identity, type, modification time, allocated size, scope boundaries, and symlink boundaries again before a supported move to Trash.