A 255 file extension is related to the Gimp picture image editor and used for its data files.

There is one other file type using
the 255 file extension!

empty icon.255 - ThumbsPlus data

Detailed description

Software that open 255 file

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255 file extension - Gimp file

What is 255 file? How to open 255 files?

File type specification:

Various data file type icon Various data file type

The 255 file extension is associated with the Gimp (also known as GNU Image Manipulation Program), a picture image editing tool for Windows, Mac and Linux.

The 255 file stores some kind of data used by Gimp.

The default software associated to open 255 file:

GIMP icon

The GIMP Team logoGIMP  Microsoft Windows software

Company or developer:
The GIMP Team

GIMP is a free graphic and photo editor used to photo retouching, image composition and image authoring. GIMP is able to expand its features with plug-ins and extensions.

Help how to open:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

For general information try to look at:
Identifying unknown file formats

How to convert:

As far as we know, this .255 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .255 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 255 file, edit 255 file, convert 255 file, view 255 file, play 255 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with 255 file - Gimp file

Click on the software link(s) for more information. Suggested software applications use 255 file type for internal purposes and/or also by different way than common edit or open 255 file actions.

Microsoft Windows:

Apple macOS / Mac OS X:


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