text-transform

Each of the six text-transform values defined by MDN (capitalize, uppercase, lowercase, none, full-width, full-size-kana).

Estimated Support About

95.12% + 4.88% = 100.0%

Apple Mail

macOS

12

iOS

13

Gmail

Desktop Webmail

2021-08

iOS

2021-08

Android

2021-08

Mobile Webmail

2021-08

Outlook

Windows

2007

1

2010

1

2013

1

2016

1

2019

1

Windows Mail

2021-09

1

macOS

2016

16.80

Outlook.com

2021-08

2024-01

iOS

2021-09

Android

2021-09

Yahoo! Mail

Desktop Webmail

2021-08

iOS

2021-09

Android

2021-09

AOL

Desktop Webmail

2021-09

iOS

2021-09

Android

2021-09

Samsung Email

Android

7.0

Mozilla Thunderbird

macOS

78.12

ProtonMail

Desktop Webmail

2021-09

iOS

2021-09

Android

2021-09

Fastmail

Desktop Webmail

2021-09

HEY

Desktop Webmail

2021-09

Orange

Desktop Webmail

2021-09

iOS

2021-09

Android

2021-09

LaPoste.net

Desktop Webmail

2021-09

SFR

Desktop Webmail

2021-09

iOS

2021-09

Android

2021-09

GMX

Desktop Webmail

2022-08

iOS

2022-08

Android

2022-08

1&1

Desktop Webmail

2022-08

Android

2022-08

Mail.ru

Desktop Webmail

2021-08

WEB.DE

Desktop Webmail

2022-08

iOS

2022-08

Android

2022-08

WP.pl

Desktop Webmail

2025-09