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Free Browser Tool Lets Developers Preview Open Graph Link Cards Before Publishing

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Broken or missing Open Graph (OG) tags often cause shared links to display incorrect images, blank titles, or generic descriptions on platforms like Twitter, LinkedIn, Slack, and WhatsApp. These issues typically go unnoticed until a link is shared publicly, by which point cached previews can persist for days. A free tool at samtoolkit.com allows developers to preview how a page's link card will render across multiple platforms simultaneously, using either a live URL or draft meta tags. The tool runs entirely in the browser, meaning no data is sent to a server and no sign-up is required. Developers are advised to include properly formatted og:title, og:description, og:image, og:url, and twitter:card tags before publishing to avoid poor first impressions.

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Free Browser Tool Lets Developers Preview Open Graph Link Cards Before Publishing · ShortSingh