Mastodon Domain Block List Generator
Creates a simple HTML table for pasting into an instance's about page.
Create a source file
Copy and paste the list of blocked domains from the admin into a plain text file. Don't include the headers. (Sorry I didn't figure out a way to automate this part.) You can leave in the "reject media files" and "undo" fields, though. This will filter them out.
Name the file
domainblocks.txt (or edit the code accordingly).
Create the HTML: