BlockPoster.ai
Turn one image into a large poster printed on ordinary paper
Generate and customize social link preview images from your existing webpages.

OpenGraph+ creates link preview images from a website's existing pages and helps keep them aligned with changing content. Developers connect their site, add the generated metadata, and inspect previews for messaging and social platforms. Rendering takes place through the service rather than inside the website's application.
Page metadata can control the selected content, viewport, and refresh behavior. CSS, Tailwind classes, and HTML templates provide ways to design cards for different destinations. A command-line tool generates integration tags, while browser tools support preview debugging. The workflow is useful for publishers and developers who want reusable previews without manually exporting a new image for every page.
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