LectionFree Tool

Open Graph Meta Tag Generator

Create ready-to-paste Open Graph and Twitter Card meta tags for a page, then preview how your title, description, and image will appear when shared.

Free OG tag generatorTwitter Card tagsCopy or download HTML
Free to runNo credit cardStructured results
Try:
Aim for a clear title that makes sense outside your site.
Use the public URL people should share.
Explain the page in one useful sentence.
Point to a public image URL, ideally a 1.91:1 image for large cards.
Optional label shown by some platforms.
Large image is best for visual articles; summary is more compact.

Validate URLs and generate both social metadata formats at once.

What are Open Graph meta tags?

Open Graph meta tags are HTML signals that describe a page when someone shares its URL. The most useful tags identify the page title, summary, canonical URL, preview image, and site name through properties such as og:title and og:image.

A free Open Graph meta tag generator turns those fields into valid markup you can paste into a page's <head>. It also creates Twitter Card tags, which gives social crawlers a clear fallback for the title, description, image, and card format.

Good metadata cannot force a platform to show a specific preview, but it gives crawlers consistent inputs. A public image URL, accurate page URL, and concise copy are the foundation for reliable link previews.

How to use Open Graph tags

Step 1

Write for the share

Use a page title and description that still make sense when the URL appears in a feed without surrounding navigation.

Step 2

Choose the image

Use a public, stable image URL. A wide image generally works well with summary-large-image cards, but always check the platform you care about.

Step 3

Paste and test

Add the generated tags inside the head of the page, publish it, and use a social preview validator to check what a crawler can read.

Read the output as two groups. The Open Graph block uses property attributes, while the Twitter block uses name attributes. Keep the URL and image consistent across both groups unless you have a specific platform strategy.

If the preview is stale after a change, the platform may be showing a cached crawl. Check that the image is reachable without authentication, the URL is canonical, and the final HTML is present in the server-rendered head.

Common Use Cases

  • Creating social metadata for blog posts, landing pages, and documentation.
  • Generating consistent Open Graph tags across ecommerce product templates.
  • Adding Twitter Card fallbacks during a website launch or migration.
  • Replacing incomplete or inconsistent hand-written metadata during an SEO audit.
  • Handing ready-to-paste HTML to developers, CMS editors, or content teams.

FAQ

What is a free Open Graph meta tag generator used for?
It creates the HTML metadata that social platforms use to build a link preview, including the shared title, description, URL, image, and site name.
What is the difference between Open Graph and Twitter Card tags?
Open Graph tags use properties such as og:title and og:image and are widely used for social previews. Twitter Card tags use name attributes and specify the Twitter/X card format. Including both gives crawlers explicit metadata.
Where do I put generated Open Graph tags?
Place the generated tags inside the head element of the page that will be shared. They should be present in the final HTML that crawlers receive, not only inserted after a client-side interaction.
What size should an Open Graph image be?
A wide image is usually a practical choice for large social cards. Use a stable public URL and check the current image guidance for the platform and card type that matter to your audience.
Why is my social preview not updating after I change the tags?
Social platforms can cache a previous crawl. First confirm the new tags and image are public in the page source, then use the platform refresh or debugger workflow where available.
Can I use this tool for ecommerce product pages?
Yes. Use the product URL, a concise benefit-led title, a short description, and a product image. Add product-specific structured data separately if you need price, availability, or review information.

Related Resources

Meta Tag Checker

Inspect existing title, description, Open Graph, and other page metadata.

Open tool →

Social Preview Validator

Preview and validate social metadata from a live URL.

Open tool →

Social Share Image Checker

Check og:image and Twitter image URLs, dimensions, and assets.

Open tool →

Schema Markup Validator

Validate JSON-LD when your page also needs structured data.

Open tool →

For repeatable page analysis, visit the Lection home page or compare workflow options on the pricing page.

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