Files with thumb extension can be usually encountered as thumbnail images, most notably from the JAlbum photo gallery software.

There is one other file type using
the THUMB file extension!

empty icon.thumb - Snagit thumbnail

Detailed description

Software that open thumb file

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THUMB file extension - JAlbum thumbnail

What is thumb file? How to open thumb files?

File type specification:

Bitmap image file type icon Bitmap image file type

File extension thumb is related to JAlbum and used for the programs default proprietary file format.

A .thumb files are small thumbnail images generated by JAlbum, a free photo gallery software program.

Created from the full size image and represents the original image in an album; allows many photos to be browsed at one time.

Updated: December 1, 2023

The default software associated to open thumb file:

JAlbum icon

JAlbum software logoJAlbum  Microsoft Windows software

Company or developer:
JAlbum software

Jalbum is a free gallery software that creates personalized web albums of your digital pictures. Create fully customized online photo albums with our award-winning desktop application. Upload to your own site or to your jalbum.net account.

Help how to open:

You cannot open this file type manually, it is accessed by the JAlbum automatically.

How to convert:

There is probably no real way how you can convert this particular file type to anything else.

List of software applications associated to the .thumb file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open thumb file, edit thumb file, convert thumb file, view thumb file, play thumb file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting thumb files.

Software that open thumb file - JAlbum thumbnail

Programs supporting the exension thumb on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about JAlbum for open thumb file action.

Microsoft Windows:

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