Your files stay on your device
Open Graph Meta Preview
Extract og:/twitter: meta from pasted HTML and see the card it builds.
Parsed with DOMParser in this tab: the page never fetches the URL; images are listed as text, not loaded.
Paste a page's head to see the card a link unfurler would build from it.
Nothing in yet
Paste, drop, or type to begin. Everything stays on this device.