Android Storage Permissions Explained
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Why duplicates pile up
How matching works
Review before you delete
Practical tips
Why duplicates pile up
Messaging apps, camera burst mode, and cloud photo sync all quietly create copies of the same image. Over time, near-duplicates — the same photo saved twice, or three near-identical burst shots — account for a surprising share of used storage.
How matching works
Free AI Storage compares images by visual similarity and file signature, not just filename, so it catches copies that were renamed or re-saved at a different size.
Review before you delete
Every duplicate group opens in a side-by-side preview so you choose which copy to keep — usually the highest resolution or most recent one — before anything is removed.
Practical tips
Start with your largest duplicate groups; they free the most space fastest.
Keep the original camera file over a compressed messaging copy when both exist.
Re-run a scan after a big cleanup — new duplicates often appear after album merges.
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