| Mike Chaney's Tech Corner |
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October 12, 2025, 10:26:01 PM
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While thumbdata files are useful for quickly viewing media file previews, they can also cause problems if not managed properly. For example:
Sources:[1] What are .thumbdata files?[2] How to open thumbdata files [3] Managing Android Thumbnail Cache [4] Hidden folders in DCIM[5] Thumbdata Parser GitHub[6] DiskDigger Photo Recovery [7] PhotoRec Step-by-Step [8] ZArchiver on Play Store [9] Freeing up space on Android [10] Thumbnail vs Original Image[11] Android Storage Hacks thumbdata viewer free
Yes. Your phone will simply regenerate these files the next time you open your Gallery app. The new file will only contain thumbnails for the photos currently on your phone, potentially saving you significant storage space. While thumbdata files are useful for quickly viewing
The problem? You can’t open these files with a normal image viewer. That’s where a comes in — at least in theory. The new file will only contain thumbnails for
Note: Without root, you cannot modify the file in its original location, but you can it freely.