# afconvert > Convert between AFF and raw file formats. > More information: . - Use a specific extension (default: `aff`): `afconvert -a {{extension}} {{path/to/input_file}} {{path/to/output_file1 path/to/output_file2 ...}}` - Use a specific compression level (default: `7`): `afconvert -X{{0..7}} {{path/to/input_file}} {{path/to/output_file1 path/to/output_file2 ...}}`