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Open Graph Preview

SEO & web · Done in 3 steps

Stays on your deviceFree · No sign-up
  1. 1Enter or paste tags
  2. 2
  3. 3
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About

See how your link will look when shared on Facebook, X, LinkedIn and Slack. Enter tags or paste page HTML, and get warnings for missing og: tags.

How to use it

  1. 1Choose “Enter fields” to draft tags, or “Paste page HTML” to check an existing page.
  2. 2Paste the page’s <head> source if you’re checking a live page.
  3. 3Review the Facebook, X, LinkedIn and Slack-style cards and fix any warnings.
  4. 4Optionally preview with a local image before you upload it.
You give
Open Graph values, or the HTML source of a page
You get
Approximate share-card previews and tag warnings
Good to know
Previews approximate each platform’s current layout. The page itself is not fetched (paste its HTML), but the og:image URL is loaded directly by your browser from its host to display it. Platforms cache previews, so use their official debuggers to refresh.
Privacy
Processed on your device. Nothing is uploaded, stored or logged.
Last tested
2026-10-28

FAQ

Why does my share show an old image?

Facebook, LinkedIn and Slack cache link previews. After updating tags, re-scrape the URL in Facebook’s Sharing Debugger or LinkedIn’s Post Inspector.

What size should og:image be?

1200×630 px (1.91:1) works across Facebook, LinkedIn, X large cards and Slack. Keep important content away from the edges and under about 5 MB.

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