Mastodon Link Preview Tool
Preview how a public URL may appear in a Mastodon post. Check the representative Open Graph card, title, description and image before sharing.
How Mastodon Link Previews Use Metadata
Mastodon uses Open Graph meta tags to determine how your content appears when shared. The preview approximates a link card; individual Mastodon servers can render metadata differently.
Key Mastodon Meta Tags:
og:title- The title of your contentog:description- A brief descriptionog:image- The image to displayog:url- The canonical URL