animation in Proton Mail
Not supported animation is not supported in Proton Mail.
Works in 5 of 21 · partial in 1 · not supported in 15
Which clients
- Works
- Apple Mail, Apple Mail iOS, Samsung Mail, HEY Mail, Fastmail
- Partial
- Superhuman
- 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, Thunderbird, Proton Mail, AOL Mail
Your reader in Proton Mail sees the email without animation, even if it looks right where you tested it.
The fix for Proton Mail
Replace CSS animation with an animated GIF
<!-- Use an animated GIF for the effect -->
<img src="https://example.com/badge-animated.gif"
width="60" height="24" alt="New!"
style="display: inline-block; border: 0;" />Show the original
<style>
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.badge { animation: pulse 2s infinite; }
</style>
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What Proton Mail does with animation
@emailens/engine 0.18.22 on the original code
Proton Mail does not support "animation".
Your next question
- Does text-decoration work in Proton Mail?
Works in 14 of 21 · partial in 6 · not supported in 1
- Does min-height work in Proton Mail?
Works in 19 of 21 · not supported in 2
advice - Does list-style work in Proton Mail?
Works in 11 of 21 · partial in 9 · not supported in 1
- Does bimi work in Proton Mail?
Works in 9 of 21 · not supported in 11 · 1 untested
- Does list-style-image work in Proton Mail?
Works in 6 of 21 · not supported in 14 · 1 untested
- Does accent-color work in Proton Mail?
Works in 5 of 21 · not supported in 15 · 1 untested
Questions
- How many email clients support animation?
- It works in 5 of 21, partial in 1, not supported in 15.
- What do I use instead of animation in Proton Mail?
- Replace CSS animation with an animated GIF.
- Does animation work in Apple Mail?
- animation works in Apple Mail. Closest to Proton Mail: Apple Mail, which agrees on 203 of the 300 features both are tested on.
To see what else in your email Proton Mail does not support, paste the whole email.
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Real captures 14 Oct 2026 on 10 installs · caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 7 Apr 2026 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping