Social Card Maker
Create social media preview cards and Open Graph (OG) images for your website, blog, or article. Enter a title, description, URL, and choose a background color. The card is rendered on canvas and can be downloaded as a PNG. Runs in your browser — no data is sent to any server.
How Social Cards Work
Social media cards (also known as Open Graph images or OG images) are the preview images that appear when you share a link on platforms like Twitter, Facebook, LinkedIn, Slack, and Discord. These platforms look for specific meta tags in your page HTML to determine which image, title, and description to display in the link preview. A well-designed social card can significantly increase click-through rates by making your shared links more visually appealing and informative.
This tool renders a social card directly on an HTML5 Canvas element. You provide the title, description, URL, and background color, and the tool composites these elements into a standard 1200x630 pixel image, which is the recommended size for Open Graph images. The canvas draws the background color, then overlays the text using carefully chosen font sizes, line spacing, and positioning to create a professional-looking card. The entire process runs in your browser with no server involvement.
Recommended OG Image Specifications
Dimensions: 1200 × 630 pixels (1.91:1 aspect ratio)
Format: PNG or JPEG, under 5 MB
Title: 60-70 characters maximum for best display
Description: 150-200 characters for social previews
Facebook, Twitter, LinkedIn, and Slack all support OG images at 1200x630. Twitter also supports a square 1:1 format for summary cards.
Why Social Cards Matter
Links shared without a custom social card image often display a generic placeholder or a poorly cropped screenshot of the page, which reduces engagement. Studies show that social media posts with custom images receive 2 to 3 times more engagement than those without. A consistent, branded social card design also reinforces your brand identity across platforms and makes your content instantly recognizable in crowded social feeds.
Design Tips for Effective Social Cards
Keep your title short and impactful. Use high contrast between the text and background color for readability. Include your brand name or URL to build recognition. Avoid placing critical text near the edges, as different platforms crop the image differently. Use bold, simple typography rather than decorative fonts. Test your card by pasting the URL into Twitter Card Validator or Facebook Sharing Debugger to verify how it renders on each platform.
Privacy and Security
All card generation happens entirely in your browser. Your text and design choices are never uploaded to any server, making this tool completely safe for creating cards with confidential titles or unpublished content.