JPEG2000 converter?

jcupitt at jcupitt at
Wed May 9 02:19:55 EDT 2018

On 9 May 2018 at 07:09, Martin Weihrauch <m.weihrauch at>

> Do you have an idea, how we could convert from JPEG2000? It could be also
> a commercial software (then send me a personal mail to not clog this list).

I would try OpenJPEG first:

Something like:

   opj_decompress -i someinputfile.jp2 -o huge.tif

I don't know if it'll write bigtiff. It will write PPM though, which should

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