Version used: XnView MP 1.9.2 64-Bit
actual behavior
In case, I choose Lossless for WEBP, the Export for NConvert function export the WEBP quality setting to the batch file.

Code: Select all
nconvert -out webp -q 75

Code: Select all
nconvert -out webp -q 87
Code: Select all
nconvert -out webp -q -1
McBluna