🌵
🍔
🌸
😀
Desktop Chrome (tested on MacOS) has a bug:
Emoji get cut off at certain sizes (more info in the bug report).
Emoji look great eg at font-size 120px.
There doesn't seem a limit to the font-size for emoji in Mobile Chrome 83.
On an Android tablet, Mobile Chrome renders emoji up to eg
font-size 700px.
At that size the emoji are blurry, but at
font-size 120px and lower they look OK,
and at
font-size 80px and lower they look great.
In Desktop Safari emoji look great up to font-size 120px.
In Mobile Safari 13 emoji look great up to font-size 120px.
In Desktop Firefox 82 (tested on MacOS) emoji look great up to font-size 120px.
In Mobile Firefox 68 (tested on Android) emoji look great up to font-size 120px.
In Mobile Opera 53 (tested on Android) emoji look great up to font-size 195px.
Always test your chosen emoji font-size on all relevant setups.