- -F extension: use the output format signified by the extension. Default is png
- -s: skip masking/trimming. Overrides -m.
- -f: Forceably redo everything.
- -p: Forceably redo pdf conversion. Implies options below, equivalent to -f.
- -m: Forceably redo masking/trimming and other preprocessing. Impiles options below.
- -u: Forceably redo unpaper processing. Implies option below.
- -t: Forceably redo final trimming and cleaning. IGNORED