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OG Previewer Online

See exactly how your website will look when shared on Facebook, Twitter, and LinkedIn. It's the best way to make sure your social posts always look professional.

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Before you publish a page or share a link, it's worth checking how the Open Graph preview card will actually look on Facebook, LinkedIn, and Twitter. This tool shows you a mockup of the card based on the title, description, and image you provide, without having to publish first.

How it works

The previewer renders mockup cards in your browser using the title, description, domain, and image you enter. The image upload uses the browser's FileReader API so your file is never uploaded to a server — it becomes a local data URL used only in the preview. You can toggle between different platform card styles (Facebook/LinkedIn layout vs Twitter card).

How to use it

  1. Enter your Page Title, Description, and Domain
  2. Add a Preview Image — either paste an image URL or upload a local file
  3. Toggle between the Facebook / LinkedIn and Twitter card previews
  4. Check for truncation — if the title or description gets cut off, shorten them

A few things worth knowing

  • This is a local mockup, not a live fetch: The tool doesn't crawl your URL. It shows how your inputs would render — useful for drafting and checking character counts before going live
  • Recommended image size: 1200×630px is the standard OG image size for Facebook and LinkedIn. Twitter large summary cards use the same ratio. Images that are too small may not display at all
  • Platform differences: Each platform has slightly different card sizes and truncation points. Check both views if you're sharing across multiple networks
  • Required meta tags: To make cards work on actual platforms, you need og:title, og:description, og:image, and og:url in your page's <head>

FAQ

Why isn't my real page showing a preview card when I share it? The platform may have cached an old version. Use Facebook's Sharing Debugger or Twitter Card Validator to force a fresh crawl.

What are the required OG tags? At minimum: og:title, og:description, og:image, and og:url. Without these, platforms fall back to guessing what to display.

Can I use this for pages that aren't published yet? Yes — that's one of the main use cases. Enter your intended metadata and preview how it'll look before the page is live.

Related Tools

Professional Resources & Documentation

Stay updated with the latest industry standards and technical specifications. Our team recommends these authoritative sources for deepening your understanding of og previewer and related technologies.

MDN Web Docs

The definitive resource for web developers.

Stack Overflow

Global Q&A community for professional and enthusiast programmers.

GitHub

World's leading AI-powered developer platform.

Disclaimer:External links are provided for informational purposes; TakeTheTools is not responsible for the content of external sites.

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Full Guide

How to use OG Previewer

Step-by-step guide, tips, and use cases