Quickly change the case (upper, lower, camel, pascal, snake, etc) by case-converter
pip install case-converter
You can simply modify case convertors in cases.py
file
Via Add extension
option in ulauncher preferences
or by source
git clone https://github.com/d-enk/ulauncher-case-converter.git \
~/.local/share/ulauncher/extensions/com.github.d-enk.ulauncher-case-converter