Short.rip was created on June 3, 2022 after /u/cfultz and /u/cityb0t had a constructive back and forth over moderator mail on the subreddit /r/PlexPosters. Realizing that Mega.nz links weren't working at all on reddit anymore, cfultz decided to bypass the need for base64 urls and create this shortener.
Yes! This is completely free to use.
Yes, you can help out all the projects involved that helped create Short.rip