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Crawlmind

Free tool

Social card + OG preview

See exactly what Slack, Twitter, LinkedIn, Discord, and AI engines pull when they crawl one of your URLs. Paste a link, see the rendered cards plus a quick what's-missing checklist.

What this tool checks

Every social network and AI engine reads a slightly different subset of your <head> tags. Slack and LinkedIn lean on Open Graph; X (Twitter) prefers twitter:card; AI engines like GPTBot, ClaudeBot, and PerplexityBot fall back to the document title and meta description when richer tags are missing. Mismatched tags or a missing og:image produce link previews that look broken in feeds and reduce click-through.

How to read the preview

We fetch the URL with a documented user-agent, parse the <head>, and render the four cards exactly the way Slack, X, LinkedIn, and a generic OG consumer would. Each rendered preview shows the source tag below it so you can see what the network is reading. The what's-missing checklist flags only the high-impact gaps: image, canonical, card type, and title length.

Privacy

Crawlmind fetches the URL server-side and discards the response after rendering; no part of the requested page is stored. The tool is rate-limited per IP to keep it free for everyone.