TechTools

Social Media Card Checker

Fetches via a public CORS proxy. The URL is publicly visible - do not enter private pages.

Card type:summary
Dark
Page title will appear here
Description
example.com
Recommended image sizes: summary_large_image → 1200×630px (1.91:1) · summary → 800×800px (1:1) · max 5 MB, HTTPS required
✗

2 errors found

Fix errors to enable Twitter card sharing.

twitter:card
Required. Without this, Twitter shows no card.
twitter:title / og:title
A title is required.
twitter:description / og:description
Recommended for a richer card.
twitter:image / og:image
An image makes cards more engaging.
twitter:site
Optional: add your @handle to show attribution.
og:url
Recommended canonical URL for consistent sharing.
og:type
Optional. Default is 'website'.
og:site_name
Optional. Shown in some platform previews.
success error warning info

Privacy First: Your files are processed securely. Whenever possible, processing happens in your browser and files are never stored on our servers.

Preview and validate how your web page appears when shared on Twitter/X, Facebook, LinkedIn, Slack, and Discord. Enter a public URL to fetch and parse its Open Graph and Twitter Card meta tags, or paste raw HTML, or enter tag values manually. The tool renders accurate, pixel-matched platform mockups showing exactly how your card will look on each network. It validates every required and recommended tag, flags character limit violations, checks that image URLs use HTTPS, verifies image dimensions per platform, and identifies missing tags with explanations. Export a ready-to-paste HTML snippet of all recommended meta tags for your head section. No account required.

How to Use

  1. 1Enter the URL of the page you want to check in the input field
  2. 2Click Check to fetch the page's meta tags from the server
  3. 3Review the Open Graph preview card showing how the page will look on Facebook and LinkedIn
  4. 4Review the Twitter Card preview showing how it will appear on Twitter/X
  5. 5Check the Diagnostics panel for any missing, too-short, or too-long tags
  6. 6Fix the flagged issues in your page's HTML and re-run the check to confirm

Features

  • Checks all Open Graph tags: og:title, og:description, og:image, og:url, og:type
  • Checks all Twitter Card tags: twitter:card, twitter:title, twitter:description, twitter:image
  • Live social preview cards for Facebook/LinkedIn and Twitter/X
  • Image dimension validation and HTTPS check
  • Diagnostics panel with pass/fail/warning status per tag
  • Checks both standard <title> and meta description for fallback use

Frequently Asked Questions

Guest PlanUpgrade
Operations today0 / 3
5 MB max fileNo batch
Upgrade for more

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