General feature format
| Filename extensions | .gff,.gff3 | 
|---|---|
| Internet media type | text/gff3 | 
| Developed by | Sanger Centre (v2), Sequence Ontology Project (v3) | 
| Type of format | Bioinformatics | 
| Extended from | Tab-separated values | 
| Open format? | yes | 
| Website | github | 
In bioinformatics, the general feature format (gene-finding format, generic feature format, GFF) is a file format used for describing genes and other features of DNA, RNA and protein sequences.