DaisyDisk

This software examines system storage and graphically represents space usage. It displays files and folders in a circular diagram to identify content that occupies capacity. The application scans internal, external, and network volumes. It includes tools to review and delete data directly.

★★★★★

5.0(1 ratings)

• Volume analysis. The program automatically detects all storage drives mounted on the system. It initiates a full disk scan or of selected folders. It generates a detailed report of space consumption.
• Sunburst map. Visual representation of disk usage in a concentric circular chart. Colored segments indicate files and directories, with sizes proportional to the space they occupy. The hierarchical layout allows understanding of the data structure.
• Hierarchical navigation. Exploration of directories by clicking on the diagram segments. Each level shows the content of the selected folder. The system goes back to the parent level with a dedicated button.
• File preview. Integration with macOS Quick Look technology. Displays file content without opening external applications. Works with documents, images, videos, and other common formats.
• Collector panel. A workspace for grouping items marked for deletion. Drag and drop files and folders from the map onto the panel. Review selected content before proceeding with the action.
• Secure deletion. Data removal from the application interface. Option to move to Trash or permanently delete. Confirmation required to execute the operation.
• Specific folder scanning. Ability to analyze specific directory paths. Useful for examining user locations like Documents or Downloads. Saves time by omitting non-relevant system areas.
• Network storage analysis. Compatibility with volumes connected via AFP or SMB. Scanning of drives on NAS servers or network shares. Same feature set as for local disks.
• Color representation. Chromatic coding to differentiate item types. Assigned colors help distinguish application files, media, or documents. Palette configuration based on preferences.
• Detailed statistics. Precise numerical information about the size of each item. Data in bytes, kilobytes, megabytes, or gigabytes. Percentages indicating the proportion of total space used.
• Reveal in Finder. Quick access to the actual file location in the system. Opens a Finder window with the selected item. Facilitates management operations outside the application.
• Quick scan mode. Surface analysis that omits certain system files. Reduces initial processing time. Full mode available for a comprehensive examination.
• Scan history. Storage of reports from previous scans. Comparison of results between different times. Tracking of changes in disk usage over time.

Development of DaisyDisk began in 2008. The creating company is Software Ambience, based in Zurich. The founders are Ivan and Tatiana Shamarina. The application is written in Objective-C and uses native macOS frameworks. The initial versions focused on disk visualization. Subsequent updates incorporated network analysis and cleaning tools.

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