Opening an ITHMB File

The ITHMB file type is primarily associated with Photos.

ITHMB	File extension: ITHMB
	File type:	thumbnail

What is an ITHMB file?

ITHMB files mostly belong to Photos by Apple. Files with ITHMB filename extension are a collection of thumbnails of photographs captured with iPod and iOS devices. These files contain multiple resized and highly compressed images. Photo managers on iPhones and iPods use these ITHMB files as previews of larger images stored in the phone's photo gallery. Clicking any of the preview images opens the larger (JPEG) image file of the corresponding thumbnail saved in the ITHMB file.

How can I open an ITHMB file?

You need a suitable software like Photos to open an ITHMB file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ITHMB file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ITHMB file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ITHMB Text Viewer

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Programs that open and convert ITHMB files:

Photos by Apple
See the previous paragraphs to learn more about the main application. ITHMB files are often referred to as Photos raster images because this type of file is primarily created or used by this software.
iMazing (thumbnail) by DigiDNA
iMazing is a cross-platform, mobile device management software for synchronizing or backing up user files and contacts saved on an iOS device onto a Mac or Windows computer. You may view image thumbnails saved in ITHMB files with this program. This file format is classified as Raster Image.
iThumb Converter (thumbnail) by iThumb Converter Development Team
iThumb Converter is a desktop software for viewing and converting thumbnail (ITHMB) files generated by iOS devices. It may be used to batch-convert ITHMB images to JPG and other formats. This file format is classified as Raster Image.

ITHMB file format details:

If you can determine the file format, the associated program can also be determined. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. If there are problems opening a file, you must first determine the file format used. Our analysis of the ITHMB files produces the following result:

The ITHMB file type is a very commonly used file extension and is used by a few programs, each with its own file format. The two most common formats are as follows:

20% of all ITHMB files store the data in the JFIF file format. JFIF is short for JPEG File Interchange Format. It is a bitmap graphic that uses JPEG compression. These are binary files, so they do not contain words or text. The files are 100 KB to 1 MB in size, with a median of 580 KB. The file type is relatively new. The keywords JFIF, mntrRGB XYZ, HLino, XICC_PROFILE, acspMSFT, IEC sRGB, 3desc, cprt and lwtpt are typical for these files.
5% of all ITHMB files have the same signature 80 10 80 10 80 10 80 10 80 10 80 10 80 10 80 10. The contents of these files cannot be read by a human; only a computer program can interpret the data. ITHMB files are between 790 KB and 870 KB in size.

All other ITHMB files (75%) have different formats. Drag & drop your file here to see the file format and a preview of your ITHMB file!

Technical Data for ITHMB File Extension

File classification:

Raster Image

Related files:

photo database, thumb, apple tv photo database, thumbs, thumbnailconfiguration, personid, serverconfiguration, ith, f00, jpg, bfl, sqlite, jfif, thm, json, db, rpy, plan, aae, aee

an ithmb thumbnail is a special file format by Apple and should only be edited and saved with the appropriate software.

How to solve problems with ITHMB files

Associate the ITHMB file extension with the correct application.
Update your software that should actually open thumbnails. Because only the current version supports the latest ITHMB file format. Search, therefore, e.g. on the Apple manufacturer website after an available Photos update.
To make sure that your ITHMB file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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