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Answered: How to convert compressed Fuji RAW files to uncompressed?

Started Mar 7, 2021 | Discussions thread
sluggy_warrior Veteran Member • Posts: 3,204
Re: Answered: How to convert compressed Fuji RAW files to uncompressed?

Truman Prevatt wrote:

Disk space is cheap. By compressing with an unknown process in which there is no available decompression resources available - then you are buying yourself problems. I've never found compressed raws worth the time or aggravation to mess with. It would have been nice if Fuji provided a S/W package to compress and/or uncompress their raws. But alas - S/W is not Fuji's long suit.

Agreed that disk space is cheap. But there's no disadvantage to compressed RAF format: no loss of data, RawSpeed library is free/open-source so decoding methods are known/published for both formats, CPU time difference is minimal. Even if Fuji drops software support completely now, both compressed and uncompressed RAFs are not locked in anymore.

I shot a musical Mamma Miaat my daughter's school last week. It was 80GB on the card, and 21GB of RAF files in the end after culling and processing. Little things add up quickly, my 5TB USB drive has only 1.7TB left

At least we're not in the hot mess of Canon's CR3 format. While its specs are open/published, Canon doesn't clear a patent in the specs, thus, there's already implementation but it can't be used:

https://github.com/darktable-org/rawspeed/issues/121

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