Paste these into the head of your page. Facebook, LinkedIn, Slack and WhatsApp all read Open Graph tags to build the preview.
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Open Graph tags tell social platforms exactly how to display your link when someone shares it. Without them, Facebook, LinkedIn and Slack guess at your title, text and image, and the guess is often wrong. This Open Graph preview generator lets you type your values, see a live share card, and copy the finished meta tags so every share looks the way you intend.
Open Graph is a small set of meta tags, created by Facebook, that any site can add to the head of a page. The core four are og:title, og:description, og:image and og:url. When a link is pasted into a social feed or a chat app, that app fetches the page, reads these tags, and builds the preview card from them. Because the same standard is read by Facebook, LinkedIn, Slack, WhatsApp, Discord and many others, getting these four right once fixes your preview almost everywhere at the same time.
Fill in the fields on the left and the card on the right updates as you type, so you can judge the wording and image crop before you ship. The og:image should be a full URL to a public image, ideally 1200 by 630 pixels, which is the size most platforms crop to. Keep og:title punchy and under about 60 characters, and og:description clear and under about 155, so nothing gets truncated. When it reads well, hit copy and paste the block into your page head. X also reads the twitter:card and twitter:image tags this tool adds, so your card stays large and image-led there too.
A strong share card is free advertising. A link with a sharp image, a clear title and a benefit-led description earns more clicks in a busy feed than a bare URL, and more clicks from social means more traffic and more signals that your content is worth engaging with. It will not change your rankings on its own, but presentation compounds: the same article shared a hundred times looks a hundred times better with proper Open Graph tags. Getting these details right across a whole site is part of the technical polish that runs through solid technical SEO.
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