(1) This finds most automatically generated duplicates. These connect to Dropbox via API and are safe:

| Tool | Free Tier | Best For | |------|-----------|----------| | (Windows) | Limited trial | Local + Dropbox folders | | Gemini 2 (Mac) | Paid only | Deep scanning | | CCleaner | Limited free | Simple duplicate finder | | CloudDuplicateFinder | Paid | Cloud-to-cloud (Google Drive + Dropbox) | Using rclone (free, command-line) # Install rclone, then configure Dropbox rclone config List duplicate names (but not content duplicates) rclone check dropbox: dropbox: --one-way --missing-on-dst duplicates.txt

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