I made a web extension like this a while back. Called Prod, it’s a similar idea but in the browser. Feel free to use it it’s free and there are no plans to change it. Been around for years.

prodtodolist.com if you’re interested

I built the opposite of this tool. It lets you generate a page to check which meta tags will generate a preview on a given platform.

https://getoutofmyhead.dev/link-preview-tester/