Show HN: I built an native macOS app to clean junk files from USB drives
Real problems it solves: - USB drives not playing music in car stereos (thanks .DS_Store!) - Windows users complaining about "junk files" when sharing - SD cards showing "file error" in cameras - Can't delete Spotlight indexes on exFAT drives
What it cleans: - .DS_Store files: The culprit behind "USB not recognized" in car stereos - Spotlight indexes (.Spotlight-V100): Wasting space and useless on other systems - AppleDouble files (._): Resource forks that clutter Windows folders - System junk: .Trash, .fseventsd, .Trashes hidden folders - Temp files: .tmp, .cache, .log and various temporary files - Cross-platform conflicts: Thumbs.db, desktop.ini, System Volume Information
Technical approach: - Real-time USB/SD card detection with auto-cleanup prompts - Smart file recognition to protect important data - Special exFAT filesystem handling
Why I built this:
Got tired of manually cleaning USBs before giving them to Windows users. Got tired of
troubleshooting why car stereos won't read my USB. This tool eliminates these annoying
little frictions.
Important Note: Due to App Store sandbox restrictions, the Mac App Store version cannot clean certain system files (.Spotlight-V100, .fseventsd, .Trashes). The direct download version from our website has full functionality. If you previously purchased the App Store version and need the full functionality, please contact me and I'll provide you with a free license for the direct version.
Website: https://cleanmyusb.app Would love your feedback!
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