This is an extension that generates links and references in a documet. All you need to do is select the desired text and right-click to copy it. Paste the link to your markdown document, and you will have your link. There are more options to do this easily and you can use this website to do this for you.

• Links and References

Links refer to external sources such as websites, images, videos, etc. The links are automatically inserted in the markdown document and all you need to do is copy it. References refer to a part of your own content and the link is not inserted in the markdown document.

You can use this extension without internet access and you can edit your document anytime you want.