<svg> in Fastmail
Not supported <svg> is not supported in Fastmail.
Works in 5 of 21 · partial in 1 · not supported in 15
Which clients
- Works
- Apple Mail iOS, Samsung Mail, Thunderbird, Proton Mail, Superhuman
- Partial
- Apple Mail
- Not supported
- Gmail, Gmail Android, Gmail iOS, Outlook 365, Outlook (New), Outlook Classic, Outlook iOS, Outlook Android, Outlook for Mac, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, HEY Mail, AOL Mail, Fastmail
Your reader in Fastmail sees the email without <svg>, even if it looks right where you tested it.
The fix for Fastmail
Convert inline SVG to an image for email compatibility
<img src="https://example.com/icon.png"
width="24" height="24" alt="Icon"
style="display: block; border: 0;" />Show the original
<svg width="24" height="24" viewBox="0 0 24 24">
<path d="M12 2L2 7l10 5 10-5-10-5z" fill="#6d28d9"/>
</svg>The checker needs a computer screen.
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What Fastmail does with <svg>
@emailens/engine 0.18.22 on the original code
Fastmail does not support inline SVG.
Your next question
- Does <form> work in Fastmail?
Works in 10 of 21 · partial in 4 · not supported in 7
fix - Does <link> work in Fastmail?
Works in 3 of 21 · not supported in 18
fix - Does <video> work in Fastmail?
Works in 3 of 21 · partial in 2 · not supported in 16
fix - Does <marquee> work in Fastmail?
Works in 8 of 21 · partial in 6 · not supported in 6 · 1 untested
- Does <body> work in Fastmail?
Works in 5 of 21 · partial in 9 · not supported in 6 · 1 untested
- Does <dialog> work in Fastmail?
Works in 5 of 21 · not supported in 15 · 1 untested
Questions
- How many email clients support <svg>?
- It works in 5 of 21, partial in 1, not supported in 15.
- What do I use instead of <svg> in Fastmail?
- Convert inline SVG to an image for email compatibility.
- Does <svg> work in Apple Mail?
- <svg> is partly supported in Apple Mail. Closest to Fastmail: Apple Mail, which agrees on 192 of the 235 features both are tested on.
To see what else in your email Fastmail does not support, paste the whole email.
No signup · Five clients free, Outlook Classic included · All 21 with an account
The checker needs a computer screen.
caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 6 Feb 2020 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping