Most of you might already know what is thumbs.db file (thumbnail database) in Windows? This is a hidden system file created by Windows to speed up the thumbnail view of an image in folders.

Even if the original image has been deleted, the thumbnail cache still stores details about the image like when the image was saved, its names and storage locations.

If you don’t need this thumbs.db file, you can safely delete them from your computer. Thumbnail Database Cleaner is free tool that enables you to clean up thumbnail cache (thumbs.db, ehthumbs.db, thumbcache_*.db files).
The tool is very simple to use, just run it and search for thumbnail cache files, then choose desired items in the list and click the ‘Clean’ button.
Thumbnail Database Cleaner requires .NET Framework 2.0.