.PATCH File

File extension patch is generally used for files that contain computer software patches or fixes.

A patch is a small piece of software designed to update or fix problems with a computer program or its supporting data. This includes fixing bugs, replacing graphics and improving the usability or performance. Though meant to fix problems, poorly designed patches can sometimes introduce new problems.

Also used by Unix program patch, which updates text files with instructions in a patch file.

Steam client also uses .patch file extension for game updates and patches.

Files with patch extension are generally data files that contain fixes or patches for a program or software.

How to open:

Some patch files, especially those on unix/linux platform, can sometimes be opened in text editors.

How to convert:

It does not seem to be possible to convert patch files to anything else.