Podcast shorts
if you have scrolled through the youtube , you must have seen many podcast clips pm shorts or tiktok. anywhere where
shorts videos are available. now go to youtube and search any long podcast.
now copy the link and go to (https://www.opus.pro/pricing)
they also have free plans 
if you don't wanna spend money on them here method 2
you must have adobe prmeiere pro 
and also install adobe media encoder
 go to this tutorial (https://youtu.be/dAljQaz6NTc?si=OGe257GGcpagXaFc)
 it will show you how you can export multiple clips at once
 
 now when u have clips and upload on youtube shorts or tiktok shorts or facebook
 anywhere you like