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Demo: YouTube links

This page shows the link prefix extension in action with YouTube examples. The links below use the youtube: prefix; when the docs are built, they are expanded to full URLs.

Watch URL (youtube:)

Use the youtube: prefix for the standard watch URL format:

Same link with an optional title:

In a paragraph

You can embed prefixed links in prose: check out this classic or this one for more. The extension rewrites them before Markdown parses the document, so the output is a normal <a href="..."> link.

Source vs output

In your Markdown you write:

[Watch video](youtube:dQw4w9WgXcQ)

After the extension runs, the link destination becomes https://www.youtube.com/watch?v=dQw4w9WgXcQ, and the rest of the pipeline sees a standard Markdown link.