IPS is a binary patch format commonly used for game patches. With IPS Peek, the contents of IPS patches can be viewed easily.

Some of IPS Peek's features include: File linking support (with color-coded patched file differences.); Shows patch records, record sizes, offsets; Shows Lunar IPS truncate extension (CHS); Shows data (in a hex view) written by a patch record; Shows total size of all modified data; Allows exporting of patch information to a text file for later use; and Filtering support.