SVG is the gold standard for scalable graphics on the web. But email is not the web, email clients have their own rendering engines, and the level of HTML and CSS support varies enormously. Understanding where SVG works (and where it does not) in email can save you from broken layouts in your subscribers' inboxes.
Which email clients support SVG?
As of 2026, SVG support in email clients is limited and inconsistent. Apple Mail on macOS and iOS renders SVG correctly. Thunderbird also supports SVG. Gmail, Outlook (Windows and Mac), Yahoo Mail and most webmail clients do not support SVG in email, they either ignore the image entirely or display a broken image placeholder.
Why the inconsistency?
Email clients strip or ignore tags they consider potentially dangerous. SVG can contain JavaScript, external references and CSS that could be used for phishing or tracking. As a result, many clients apply an aggressive blocklist that catches SVG alongside genuinely dangerous content.
The recommended approach: SVG to PNG
The safest approach for email is to design your graphics as SVG and then export them as PNG for use in the email. This gives you the design flexibility of vector tools while ensuring universal compatibility. Export at 2x resolution (retina) so the image looks sharp on high-DPI displays and mobile devices.
- 1Create or obtain your graphic as an SVG file.
- 2Use the SVGcreator SVG to PNG converter to export at 2x resolution.
- 3Reference the PNG in your email HTML: <img src="header.png" width="600" alt="...">.
- 4Always include a descriptive alt attribute for accessibility and fallback display.
When SVG in email is acceptable
- Internal company emails where you control the email client (e.g. Apple Mail only)
- Transactional emails to a tech-savvy developer audience
- As a progressive enhancement alongside a PNG fallback using the <picture> element
SVG for email signatures
Email signatures are a common place where people want to use a vector logo. The same rule applies: export the logo as a PNG at 2x and host it on a publicly accessible URL. Embedding SVG directly in an email signature will render incorrectly in most clients.
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