dedrive
Review duplicates with read-only Drive access first. Scans exclude Shared with me items, and write access is requested only when you move files.
Smart ScanAnalyzes file checksums to find true duplicates
Preview & CompareReview duplicates side-by-side before deciding
Safe CleanupRequests write access only for the final move into
_dupes/ and never deletes the secure Google Drive duplicate scan flow
You will be redirected to the secure app page, where you can sign in with Google.