Client-Side Open Graph (OG) Social Share Card Generator

When sharing links across social platforms like X/Twitter, LinkedIn, Discord, Facebook, and Slack, links with eye-catching Open Graph (OG) preview images achieve up to 300% higher click-through rates (CTR) compared to plain text URLs.

ValKit Social Card Generator enables creators, developers, and bloggers to design standard 1200x630px high-resolution social preview banners in seconds. Choose from vibrant mesh gradients, custom author watermarks, and category tags with instant PNG export rendered directly in HTML5 Canvas.

Step-by-Step Instructions

Enter Article Title: Type your headline or blog post title (the canvas automatically calculates dynamic multi-line text wrapping).
Add Author & Tag: Enter your author handle or website brand name and category badge.
Select Aesthetic Theme: Switch between Indigo Glow, Sunset Purple, Mint Emerald, or Minimalist Slate backgrounds.
Download 1200x630 PNG: Click "Download High-Res PNG" to save the exact 1.91:1 ratio image required for og:image HTML tags.

Frequently Asked Questions

What is the recommended size for social share images?

The universal industry standard for Open Graph and Twitter summary large cards is 1200 x 630 pixels (1.91:1 aspect ratio), which this tool exports natively.

How do I link the image in my website HTML?

Upload the downloaded PNG to your server and add <meta property="og:image" content="https://yoursite.com/og.png"> and <meta name="twitter:card" content="summary_large_image"> inside your HTML <head>.

Is there any watermark or subscription required?

No! You receive 100% clean, unbranded graphics free for personal and commercial blog posts.

Social Preview (OG) Card Creator