Skip to main content

Our email CSS engine is open source. Give it a star on GitHub 

Emailens

HTML element · data last changed 10 Nov 2026

<img> in email clients

Works in 19 of 21. Untested in Thunderbird and Superhuman.

caniemail (MIT) via @emailens/engine 0.18.22

The checker needs a computer screen.

A free account opens all 21 clients and keeps your checks for 7 days. Create a free account →

<img> is not among the 24 features we have screenshotted on real installs. The ones we have →

All 21 clients, problems first

ClientSupport
Thunderbird Untested
Superhuman Untested
Works in 19: Gmail, Gmail Android, Gmail iOS and 16 more. Show all
ClientSupport
Gmail Works
Gmail Android Works
Gmail iOS Works
Outlook 365 Works
Outlook (New) Works
Outlook Classic Works
Outlook iOS Works
Outlook Android Works
Outlook for Mac Works
Apple Mail Works
Apple Mail iOS Works
Yahoo Mail Works
Yahoo Mail Android Works
Yahoo Mail iOS Works
Samsung Mail Works
HEY Mail Works
Proton Mail Works
AOL Mail Works
Fastmail Works

Your next question

All email CSS features · What real installs show

Get new email CSS fixes by email.

caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 16 Dec 2023 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping