Use inkscape to generate images in multiples sizes in one go using CLI (through Git's Bash for windows)

SVG2PNG.sh

#Remove -w or -h if file is not square.
for i in {16,64,128,256,512,1024,2048,1080,2160}; do /c/Program\ Files/Inkscape/inkscape.exe -z -e image$i.png -w $i -h $i ./vector.svg; done

for i in {16,64,128,150,256,512,1080,2160}; do /c/Program\ Files/Inkscape/bin/inkscape.exe --export-filename=image$i.png -w $i -h $i ./vector.svg; done

#!/bin/bash
mkdir "$PWD"/pdf
for file in $PWD/*.svg
    do
        filename=$(basename "$file")
        inkscape "$file" --export-type=pdf --export-filename="$PWD"/pdf/"${filename%}.pdf"
    done

logoname=$(echo logo*.svg); echo ${logoname[0]}; for i in {16,64,128,150,256,512,1080,2160}; do /c/Program\ Files/Inkscape/bin/inkscape.exe --export-filename="${logoname[0]}_$i.png" -w $i ./$logoname; done

Windows:

@echo off
for %%i in ("%~dp0*.svg") do (
    echo %%i to %%~ni.png
    "C:\Program Files\Inkscape\bin\inkscape.exe" --export-type="png" "%%i"
)