Social-card dimensions
Use a repeatable 1200 × 630 viewport for social preview output.
Open Graph images
Build the social card as a normal webpage and capture it at the 1200 × 630 Open Graph preset.
No card required · Check expires_at for file availability
Open Graph image API features
Your normal frontend
Render the card with your own HTML, CSS, web fonts, images, and design system.
Automated delivery
Generate the image from a public page URL for a CMS or publishing pipeline.
API request
Send your capture parameters and get back a temporary signed URL to the finished image.
POST /v1/screenshots201 created
{
"url": "https://example.com/og/post-42",
"preset": "open_graph",
"format": "png"
}From request to result
1
Build a card page
Create a public route containing the content and design.
2
Use the preset
Capture the route with the open_graph viewport preset.
3
Publish the image
Move the temporary signed result into the destination that needs it.
Questions
What size is the output?
The Open Graph and social-card presets use a 1200 × 630 viewport.
Can it use my fonts and CSS?
Yes. Capturewell renders a real public webpage in Chromium.
Can I generate JPEG social cards?
Yes. Choose any image format available in the current Capturewell configuration.