[hot]: Thumbdata Viewer

– Even if you delete the original images, the thumbnails may remain in thumbdata files. A viewer can extract them as small previews (usually 512×384 or smaller).

The file naming structure usually follows this pattern: thumbdata3--1967290299 thumbdata4--1763508998 thumbdata viewer

Every photo or video you have ever viewed (even briefly) leaves a thumbnail trace. Delete a 5MB photo? The 50KB thumbnail often remains. Over months, thumbdata files can bloat to , containing thumbnails of images that no longer exist on your device. – Even if you delete the original images,

: These files can grow to several gigabytes in size. thumbdata files can bloat to

Rename that text file to the exact name of the thumbdata file you just deleted (including the extension).