Awesome extension! My previous account got a bug where I couldn't post replies so I had to make a new account and migrate hundreds of my channel subscriptions when I found this gem.
Worked perfectly! (2021 DEC) This saved me hours, possibly the whole day.
Easy to understand, easy to use, exactly the way things should be.
Subscribe automatically to all of your channels from a list of URLs
Generate a list of channels URLs from your current account to clipboard.
Select exactly which channels will be imported from the list.
Limit of importing up to 50 channels at a time and exporting up to 1000 channels.
Import 50+ subs
Export 1000+ subs
Up to +70% import speed
Select exactly which channels will be imported