font-stretch

Selecting different font widths (e.g. condensed, expanded)

Estimated Support About

50.0% supported

Apple Mail

macOS

16

iOS

16

Gmail

Desktop Webmail

2023-09
1

iOS

2023-09

Android

2024-03

Mobile Webmail

2023-09
1

Outlook

Windows

2007
2010
2013
2016
2019

macOS

2023-09
16.80

Outlook.com

2023-09
1

iOS

2023-09

Android

2024-03

Yahoo! Mail

Desktop Webmail

2023-09

iOS

2023-09

Android

2024-03

AOL

Desktop Webmail

2023-09

iOS

2023-09

Samsung Email

Android

6.1.31.2
6.1.90.16

Mozilla Thunderbird

macOS

2023-09

ProtonMail

Desktop Webmail

2023-09
1

iOS

2023-09

Android

2022-12

Fastmail

Desktop Webmail

2025-08

HEY

Desktop Webmail

2025-08

Orange

Desktop Webmail

2025-08

iOS

2025-08

Android

2025-08

LaPoste.net

Desktop Webmail

2025-08

SFR

Desktop Webmail

2024-03

iOS

2024-03

Android

2024-03

GMX

Desktop Webmail

2022-08

1&1

Desktop Webmail

2025-08

Android

2025-08

Mail.ru

Desktop Webmail

2024-01

WEB.DE

Desktop Webmail

2025-08

iOS

2025-08

Android

2025-08

WP.pl

Desktop Webmail

2025-08

Free.fr

Desktop Webmail

2022-08

T-online.de

Desktop Webmail

2022-08

Notes

  • 1

    Partial. Depends on the browser. There is currently a bug in Chrome/Edge where font-stretch does not work for variable fonts.

Know something we don't?

Is any of the above data outdated? Or do you want to add a new email client to the list? Heads on to GitHub and edit the data file!

Edit this page on GitHub Report an issue on GitHub

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Test it yourself

This feature was last tested on September 23, 2023.

If you want to test this feature in the same conditions as we did, you can get our test code and run a test by yourself. Make sure to follow our testing recommendations first.

View the test code