ITHMB to MOV

Trying to open a ITHMB as MOV? Here's the honest answer — and how to get a real image.

We can't convert ITHMB to MOV — an ITHMB file can't be opened by any converter. Here's why, and what actually works.

What you can do instead

Why ITHMB to MOV isn't possible

1

ITHMB can't be decoded

ITHMB is Apple's private iPod/iPhone thumbnail-cache format. It isn't a standard image file — it's an internal database of many tiny preview images packed together with no public specification, so no image library or converter can decode it.

2

There's no picture to convert

Because nothing can read the ITHMB container, there's no image data a converter can extract and re-save as MOV. Any tool that claims to do it would just fail.

3

Get the original photos instead

The real photos an ITHMB cache was built from live in your photo library or a backup. Export those (they'll be JPG or HEIC), then convert them — that's a conversion that works.

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Format details

MOV is Apple’s QuickTime video container, common from iPhones and Mac editing apps — high quality but less widely supported than MP4.

Full nameQuickTime Movie
Developed byApple
Released1991
Extension.mov
MIME typevideo/quicktime
TransparencyNo

MOV plays on Apple devices and most modern players.

Frequently asked questions

No. ITHMB is a proprietary thumbnail-cache blob that no image library can decode, so there's nothing to convert. Export the original photos and convert those instead.

ITHMB files aren't meant to be opened directly. Recover the original images from your device's photo library or an iTunes/Finder backup, then work with those.

Once you have the real photos (JPG or HEIC), they convert cleanly to PNG, JPG or TIFF — free, no sign-up, no watermark.