Preview any page
X, LinkedIn, Facebook, Slack, Discord, iMessage, WhatsApp, Telegram, Bluesky and Mastodon side by side, plus how Google shows it. More platforms are a click away, and any card opens in context.
Know how your link will look before you share it.
Paste a URL above, your dev server included. You get the card every platform would show, the checks that matter, and your image with the crops marked.
Press / to start typing.
Working on localhost?
This copy runs on a server, so it cannot see your dev server. Run og-preview on your machine and point it at localhost. One command, nothing to install.
Run it from a terminal or an agent
The same checks as JSON for scripts and CI. Or let Claude Code run them whenever it touches your tags, and fix what fails.