Skip to main content

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

Emailens

object-fit in Yahoo Mail

Not supported object-fit is not supported in Yahoo Mail.

Works in 14 of 21 · partial in 2 · not supported in 5

Which clients
Works
Gmail, Outlook 365, Outlook (New), Outlook iOS, Outlook Android, Outlook for Mac, Apple Mail, Apple Mail iOS, Samsung Mail, Thunderbird, HEY Mail, Proton Mail, Fastmail, Superhuman
Partial
Gmail Android, Gmail iOS
Not supported
Outlook Classic, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, AOL Mail

Your reader in Yahoo Mail sees the email without object-fit, even if it looks right where you tested it.

What to do instead in Yahoo Mail

Use width/height attributes instead of object-fit

instead
<!-- Crop/resize image server-side to exact dimensions -->
<img src="photo-300x200.jpg" width="300" height="200"
  alt="Photo" style="display: block; border: 0;" />
Show the original
before
<img src="photo.jpg" style="width: 300px; height: 200px;
            object-fit: cover;" />

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

What Yahoo Mail does with object-fit

The Emailens probe for object-fit on a real install counted as Yahoo Mail, captured 14 Oct 2026. It shows the problem, not the fix. Where object-fit is supported it shows: image cropped, not squashed.

Yahoo Mail

caniemail: object-fit is not supported in Yahoo Mail.

@emailens/engine 0.18.22 on the original code

Yahoo Mail does not support "object-fit".

Your next question

Every feature in Yahoo Mail · object-fit in every client

Questions

How many email clients support object-fit?
It works in 14 of 21, partial in 2, not supported in 5.
What do I use instead of object-fit in Yahoo Mail?
Use width/height attributes instead of object-fit.
Does object-fit work in Yahoo Mail iOS?
object-fit is not supported in Yahoo Mail iOS. Closest to Yahoo Mail: Yahoo Mail iOS, which agrees on 282 of the 298 features both are tested on.

To see what else in your email Yahoo Mail does not support, paste the whole email.

The checker needs a computer screen.

Real captures 14 Oct 2026 on 10 installs · caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 15 Jul 2021 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping