Recovery Monk / Guides

Find lost photos in your phone’s and computer’s thumbnail cache

To show photo galleries quickly, phones and computers keep small preview copies of your pictures in hidden files. Those copies often stay behind after the originals are deleted, damaged or lost — and Recovery Monk can pull every one of them out.

How to use these files

1. Copy the cache file to your computer (don’t open or edit it on the phone).
2. Drop it into Recovery Monk.
3. It searches the whole file and shows every picture inside. Download the ones you want.

The copies are smaller than the originals — often a few hundred pixels across — but they’re the real photo, not a guess.

Android phones

• DCIM/.thumbnails — a hidden folder in your phone’s storage. Files named .thumbdata3… or .thumbdata4… hold many small photo copies in one file. You’ll need to turn on “show hidden files” in your file manager, or connect the phone to a computer.
• Gallery app caches — files such as imgcache.0 inside the gallery app’s cache folder.

Windows computers

• thumbcache_*.db files in C:\Users\(your name)\AppData\Local\Microsoft\Windows\Explorer. They hold previews of photos you’ve viewed in folders on that PC — including photos on memory cards and USB drives that were plugged in.
• Thumbs.db — a hidden file inside photo folders, made by older versions of Windows and still found on old memory cards and drives.

Memory cards and old phones

If you still have the card or phone the photos were on, make a full copy of it (a “disk image”) with a free tool, then drop that copy into Recovery Monk. It searches every byte for photos — including ones whose file names are gone.