How to open CROMFS files

Did your computer fail to open a CROMFS file? We explain what CROMFS files are and recommend software that we know can open or convert your files.

What is a CROMFS file?

CROMFS files are Compressed ROM FileSystem image files, which you can read more about below.

The CROMFS file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a CROMFS opener may not be able to open all kinds of CROMFS files. In this case, though, we only know of one specific use.

Compressed ROM FileSystem image

Through our analysis of CROMFS files, we know that one use of the format is Compressed ROM FileSystem image. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!