how to create the best possible avif file
how to convert to
[grayscale[[grayscale]{.tooltip-title}
[ways to convert an image to grayscale
gimp: https://www.gimp.org/tutorials/Color2BW/
imagemagick
This will use one of the -intensity methods to convert the given
image into a grayscale image.
For example, to convert an image to (linear) Rec709Luminance
grayscale, type:
``
convert in.png -grayscale Rec709Luminance out.png # which is
equivalent to:
convert in.png -set colorspace RGB -colorspace gray out.png
anaglyph grayscale
https://legacy.imagemagick.org/discourse-server/viewtopic.php?...]{.tooltip-excerpt}]{.right
.bottom}]{.tooltip}
how to rotate
how to crop
how to create anaglyphs
how to watermark
how to edit the exim file
how to license the image
how to put the description in the image