Smart Scan
Review CPU, memory, disk space, process count, startup apps, and safe recommendations in one local dashboard.
Features.
SystemCleaner focuses on practical Windows cleanup: clear visibility, safe choices, and no subscription pressure.
Disk Analyzer
Find large files quickly, filter results, and make deliberate cleanup decisions before deleting anything.
Duplicate Finder
Detect duplicate candidates and use guided scoring to decide which copies are safer to keep.
Startup and processes
See background apps, memory usage, startup entries, and stop selected process groups when needed.
Offline license keys
Pro and Family licenses use offline Ed25519 signatures and local machine activation without account lock-in.
Local-first operation
SystemCleaner is built around the principle that cleanup data should stay on your PC.