JXL / Lossless Crop

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meteorquake
Posts: 104
Joined: Wed Sep 13, 2023 9:37 am

JXL / Lossless Crop

Post by meteorquake »

Are there plans (or is it there already silently?) to implement a lossless crop for JXL? presumably reencoding any sliced areas losslessly (or near enough).
WinnieW
Posts: 46
Joined: Thu Jan 17, 2013 2:28 pm

Re: JXL / Lossless Crop

Post by WinnieW »

I guess it's a better idea to ask the developers of JPEG XL.

Here: https://github.com/libjxl/libjxl
Lokii
Posts: 2
Joined: Fri Nov 21, 2025 12:54 pm

Re: JXL / Lossless Crop

Post by Lokii »

meteorquake wrote: Wed Nov 12, 2025 7:05 pm Are there plans (or is it there already silently?) to implement a lossless crop for JXL? presumably reencoding any sliced areas losslessly (or near enough).
Most likely not
meteorquake
Posts: 104
Joined: Wed Sep 13, 2023 9:37 am

Re: JXL / Lossless Crop

Post by meteorquake »

Many thanks. I suppose the question could be taken more broadly as to whether anyone in the IT world is looking at such a thing, such that xnview could use it (passing the file and selection rectangle values) without having to do the fine coding.
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