1. CCleaner
Standard system cleaning and browser privacy utility
CCleaner scans drives for temporary files, browser caches, tracking cookies, and registry discrepancies to free disk space and improve startup times. It includes a software uninstaller, startup manager, and driver updater module. Users run automated or customized scans to purge unnecessary data across Windows, macOS, and Android systems.
Pros
- Broad support for clearing caches across dozens of web browsers and desktop apps
- Built-in software uninstaller successfully removes residual files
- Includes automated scheduling in the professional tier
Cons
- Free version frequently displays promotional upgrade notifications
- Past security incidents and telemetry concerns have drawn criticism
