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@kentbrew
Last active August 8, 2026 05:49
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How to change the Chrome default language on OSX

How to Change your Chrome Default Language

Open up a Terminal window. (If you have never seen Terminal before, go to Spotlight Search and type "Terminal.")

In the Terminal box, try this:

defaults read com.google.Chrome AppleLanguages

If you see this:

The domain/default pair of (com.google.Chrome, AppleLanguages) does not exist

... don't panic. It just means that nobody else has used this method before. To change your language, do this:

defaults write com.google.Chrome AppleLanguages '(pt-BR)'

Capitalization of the language code you enter is unimportant; your system will normalize it to lower-lower-UPPER-UPPER.

Here I've chosen Portuguese as it is spoken in Brazil. Feel free to enter the IETF language code of your choice; some of my personal favorites are en-UK, fr-CA, and es-MX. For a complete list, see the Wikipedia entry.

Restart Chrome.

If Chrome knows the language you entered, the top menu will immediately switch; mine says Arquivo, Editar, and Visualizar when I switch to pt-BR.

To switch back, run the same Terminal command with your preferred language. And if you're ever confused about what language has been selected, do this:

defaults read com.google.Chrome AppleLanguages

... or use a Web inspector to enter console mode on any page and type this:

window.navigator.language

@haspadarZ-padMensku

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best

@k-yle

k-yle commented Mar 6, 2025

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This also works for edge by using com.microsoft.edgemac or com.microsoft.edgemac.Beta instead of com.google.Chrome

@oturan233

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thanks,

@yorkxin

yorkxin commented May 30, 2025 •

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Thanks, it works.

For the Chrome for Testing app, use com.google.chrome.for.testing.

And if you are running Selenium Python:

            if sys.platform == 'darwin':
                # run a command to set the language to English
                subprocess.run(["defaults", "write", "com.google.chrome.for.testing", "AppleLanguages", "-array", "en"])

@tuananhlai

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God bless you :D

@someone83474

someone83474 commented Jul 1, 2025 •

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And for Chromium use org.chromium.Chromium

@mperez01

mperez01 commented Aug 7, 2026

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Some later but very helpfull! Thank you

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