No API required. Kinda slow, but just leave it running overnight if you have a lot. Make sure you run it from https://old.reddit.com/u/me/overview
1 point
I was thinking about manually editing every comment to replace them with lorem ipsums and similar rubbish text, I wonder if they would mark that as “suspicious activity” and lock me out of my account? I read some people in the past had similar issues with mass deletions or edits.