What image size should I use?

1200×630px is the de-facto standard, with a 1.91:1 aspect ratio. Keep the file under 8MB and use JPG or PNG. Smaller images may render poorly on high-DPI displays.

Why does my image not show on Facebook?

Facebook caches OG data aggressively. After updating tags, use Facebook's Sharing Debugger to force a re-scrape, or wait up to 24 hours for the cache to clear.

Does Twitter need different tags?

Twitter reads og: tags as a fallback, but adding twitter:card=summary_large_image plus matching twitter:title/description/image gives the best result. Our generator emits both sets.

What's the difference between og:url and the canonical URL?

og:url is the canonical URL for social sharing (used to consolidate shares). It should match your . Both point to the preferred version of the page.

Are the preview platforms pixel-perfect?

They're high-fidelity approximations of each platform's current design. Real platforms update their styling frequently; the OG tags themselves remain stable.

Open Graph Preview

Preview your og: card on Facebook, Twitter & LinkedIn before shipping.

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See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use Open Graph Preview

Follow these steps — everything happens instantly in your browser.

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Step 1. Enter og:title, og:description, og:image URL and og:url.
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Step 2. Switch between Facebook, Twitter/X and LinkedIn tabs to see each platform's preview.
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Step 3. If your image URL is broken, the preview shows a fallback placeholder.
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Step 4. Copy the generated OG + Twitter meta tags into your page's <head>.