| check_gff | Test consistency and order of a GFF file |
| get_features | Analyses the feature type hierarchy of a GFF file |
| gff_stats | Summarizes the number of features of each type in a GFF file |
| gff_stats_by_chr | Summarizes the number of elements of each type in each chromosome of a GFF file |
| gtf_to_gff3 | Converts a GTF file into a GFF3 file |
| plot_features | Plots or exports an image of the feature tree from a GFF file |
| saf_from_gff | Creates a SAF file from a GTF/GFF3 features for the given pairs of blocks and features |
| sort_gff | Sorts a GTF/GFF3 file |