| English | eng-000 |
| Universal NES Image Interchange File Format | |
| filename extensions | art-335 | unf |
| filename extensions | art-335 | unif |
| TechTarget file types | art-336 | UNF-Universal-NES-Image-Interchange-File-Format |
| TechTarget file types | art-336 | UNIF-Universal-NES-Image-Interchange-File-Format |