Open Graph generator — free og: and Twitter card tags

Quick answer: fill in the fields and copy the tag block into your . The preview shows the 1.91:1 card most platforms render. Use a 1200 × 630 image and an absolute HTTPS URL — those two choices fix the large majority of broken previews.

The tags that actually matter

Everything else is optional, and the twitter:* duplicates of title, description and image are only needed if you want them to differ from the Open Graph values — X falls back to og: otherwise.

Image rules

• 1200 × 630 px, ratio 1.91:1.
• Absolute HTTPS URL. A relative path is the most common cause of a card with no image; scrapers do not resolve them.
• Under ~5 MB, ideally well under.
• Keep text away from the edges. Some surfaces crop to a square, and a headline that runs edge to edge loses its first and last words.
• Do not reuse the product photo unchanged. A white-background product shot is correct on a product page and invisible in a feed. A card with the product name set over the image reads at thumbnail size; the bare photo does not.

Cache busting

Every platform caches its scrape, often for days. If you replace the image at the same URL, the old one keeps appearing. Two fixes, in order of reliability:

1. Change the URL — new filename, or append ?v=2. This always works.
2. Force a re-scrape — Facebook Sharing Debugger, LinkedIn Post Inspector, or X's card validator. Usually works, occasionally does not.

Shopify defaults

Most themes already emit the core four tags from the product's featured image and description. Check before adding your own: two og:image tags on one page means the platform picks one, and which one is not something you control.

If your theme's defaults are fine, the highest-value change is usually a purpose-made social image rather than more tags. Social sharing image and SEO on Shopify covers where the theme sets this and how to override it per product.