Just downloaded my Twitter archive again and converted it to Markdown, including high-res images this time. I suggest you do the same if you want a backup of your data that is independent of Twitter’s servers and free from obfuscated t.co links.

Here’s a quick how-to:
https://matthiasott.com/notes/converting-your-twitter-archive-to-markdown

Converting Your Twitter Archive to Markdown · Matthias Ott – User Experience Designer

Matthias Ott is an independent user experience designer and developer from Stuttgart, Germany. Besides design practice he teaches Interface Prototyping at the Muthesius Academy of Fine Arts and Design, Kiel.

Matthias Ott – User Experience Designer
@matthiasott I'm wondering if using Markdown instead of (or in addition to) JSON in tweetback would make sense
@nhoizey Yes, that might also be interesting for people who are using CMSs like Kirby 🤔
@matthiasott a way to add the "edit" feature to old tweets? 😅