SVG and Social Media Share Images
Social media platforms generally don't render SVG for link preview images, requiring a raster PNG or JPEG fallback instead.
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Why Platforms Don't Support SVG Previews
Open Graph and Twitter Card meta tags for link preview images are handled by each social platform's own server-side rendering pipeline, and most major platforms simply don't support SVG in this context, either ignoring it or failing to generate a preview at all when an og:image points to an SVG file.
- Link preview images are rendered server-side by each social platform itself
- Most major platforms don't support SVG for this og:image use case
- An SVG og:image typically produces no preview or a broken one entirely
Using a Raster Fallback for Share Images
The reliable solution is generating a PNG or JPEG version of the share image, either manually or through an automated build step that rasterizes the SVG source at social media's recommended dimensions, and pointing the og:image meta tag at that raster file instead of the original SVG.
- Generating a PNG or JPEG version of the share image is the reliable solution
- An automated build step can rasterize the SVG source at recommended dimensions
- The og:image meta tag should point to this raster file, not the original SVG
Frequently Asked Questions
Can I just point og:image directly at an SVG file?
It's not reliable — most major social platforms don't support SVG for link preview images, so a PNG or JPEG raster export is the safer choice for og:image.
What dimensions should a rasterized share image use?
Most platforms recommend roughly 1200x630 pixels for link preview images, though checking each specific platform's current guidelines is worthwhile since recommendations do change.
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