itch.io

Wishes come true)) - https://maphub.webtools.download/to/mfcg/

I made it primarily for myself, but it's available globally. Export saves everything, even Landmark

Now you can! https://maphub.webtools.download/to/mfcg/

You can't open old exports for editing, but new exports can be imported back and you can continue working on them! And most importantly stable layout, you don't need to worry about the browser saving incorrectly somehow, if there's an error it will tell you.