When someone shares your link, the OG image is the first thing people see. A missing or poorly sized image means your link appears as a bland text snippet — easily scrolled past. A well-designed OG image with your title and branding can 2-3x your click-through rate from social media.
What Is OG Image Generator?
Open Graph (OG) images are the preview images shown when links are shared on social platforms. The ideal size is 1200×630 pixels. Our OG Image Generator creates professional social sharing images with customizable text, colors, and layouts.
How to Use OG Image Generator on DevToolHub
- Open the OG Image Generator tool on DevToolHub — no signup required.
- Paste or enter your input data in the left panel.
- See the result instantly in the output panel.
- Copy the result or download it as a file.
OG Image Requirements by Platform
Each platform has different display rules:
// Recommended OG image specifications:
Size: 1200 × 630 pixels (1.91:1 ratio)
Format: JPEG or PNG (< 5MB)
Text area: Keep important text in center 60%
// Platform behavior:
Facebook — crops to 1.91:1, shows title below
Twitter — summary_large_image shows full width
LinkedIn — crops to 1.91:1, title overlaid
Slack — shows image with title and description
iMessage — shows image with URL preview
// HTML tags:
<meta property="og:image" content="https://example.com/og.jpg">
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="630">Pro Tips
- Keep text large and readable — OG images are often shown at small sizes on mobile
- Include your logo or brand mark for recognition in social feeds
- Use high contrast colors — images compete with other content in feeds
- Test with Facebook's Sharing Debugger and Twitter's Card Validator before launching
When You Need This
- Creating social sharing images for blog posts and landing pages
- Building dynamic OG image APIs for content-heavy sites
- Designing consistent social previews across an entire website
- A/B testing OG images to optimize click-through rates
Free Tools Mentioned in This Article