Converts SVG files to drawio/diagrams.net format
You can import svg into diagrams.net, but you can't change the fill color, stroke color or stroke width.
importing files converted with this tool will give you options to customize the svg colors in the style panel.

git clone https://github.com/msdavid/svg2dio.git
cd svg2dio
chmod +x svg2dio

usage: svg2dio [-h] [-f] [-t] [-w] [-s] [-o] [-d] filename

positional arguments:
filename input file

optional arguments:
-h, --help show this help message and exit
-f , --fill-color Fill fall-back color default: D4D4D4
-t , --stroke-color Stroke fall-back color default: D4D4D4
-w , --stroke-width Stroke fall-bak width default: 5
-s , --size Object size default: 100x100
-o , --output-file Output file name
-d, --debug print resulting root svg (xml)

example:
./svg2dio -s 200x200 -f 4A4A4A -w 3 file.svg -o myfile.dio