Twitter (now X) cards render your shared URLs as rich previews — either a small square (summary) or a big 1200×675 hero (summary_large_image). This tool generates both variants side by side, with a WYSIWYG preview that matches the current Twitter renderer's typography, spacing, and cropping. The tool also outputs the exact <meta name="twitter:*"> tags you need on your page.
Preview matches Twitter's renderer
The preview panel replicates Twitter's card renderer: 1200×675 canvas, Twitter's title cropping (approximately 70 characters), description truncation, and the card's rounded-corner treatment. What you see is what your followers will see.
Two card types
summary uses a small square thumbnail (400×400) beside title/description — the compact preview. summary_large_image uses a full 1200×675 image above title/description — the modern default. The tool lets you design both from the same source; most sites just use summary_large_image.
Copy the meta tags
Below the preview, the tool outputs the exact meta tags: twitter:card, twitter:title, twitter:description, twitter:image, twitter:site, twitter:creator. Copy the block and paste into your page's <head>.