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Gimp make jpg to Webp 100% quality half size while IM6 make double size. why?
#1
Same JPG picture with 100% quality in GIMP, and saving all information, without any other processing
a) Saving it as WEBP, result half size.
b) Running  mogrify -quality 100 -format  webp on same JPG picture, double size resulted.

Why? What is doing GIMP and what is doing IM6 mogrify when transforming JPG to webp format?
Note that the differences in picture quality between JPG and gimp 100% webp and im6 100% webp in full zoom are almost not visible.


The original picture.
greek carnaval pic

Because i have GIMP 3, is lacking scipt-fu in menu (why?)
using bash, i try to make all jpg to be saved as webp. How?


gimp -i --verbose -b '(let* (file-webp-save 1 image drawable "$webp_name" "$webp_name" 0 $lossless $quality 100.0 1 1 1 0 0 0 0 67 0))' --batch-interpreter="plug-in-script-fu-eval"
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Gimp make jpg to Webp 100% quality half size while IM6 make double size. why? - by estatistics - Yesterday, 06:04 PM

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