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Change your X (Twitter) display language

Automatically change your X (Twitter) display language on x.com. Change the display language for the signed-in X (Twitter) account, under Settings > Accessibility, display, and languages > Languages. Takes an X locale code (e.g. fr, de, en, it, es, en-gb, zh-cn) and applies it immediately — the account's interface language changes account-wide until switched again. This only affects X's own UI text (menus, buttons), not the language of tweets in your timeline.

Input

locale required

X locale code to switch the account's display language to, e.g. "fr", "de", "en", "it", "es" (also accepts region/script variants X exposes, like "en-gb", "zh-cn", "ar-x-fm").

Output

label required

The language's display name as shown in the selector, e.g. "French - français".

locale required
was_already required

True if the account's display language already matched the requested locale before this call.

verified_on_page required

True if the page was re-inspected after the change and the display language is now confirmed set to the requested locale.

FAQ

Change the display language for the signed-in X (Twitter) account, under Settings > Accessibility, display, and languages > Languages. Takes an X locale code (e.g. fr, de, en, it, es, en-gb, zh-cn) and applies it immediately — the account's interface language changes account-wide until switched again. This only affects X's own UI text (menus, buttons), not the language of tweets in your timeline.
Ask an AI agent connected to Reduck to run reduck/x.com/switch_language, or run it from a terminal with the Reduck CLI: npx @reduck-ai/cli@latest run --script reduck/x.com/switch_language
You do not need one. "Change your X (Twitter) display language" drives the real x.com pages in a browser, so it works whether or not x.com offers an API for this.
Required: locale.
It returns label, locale, was_already, verified_on_page.
Yes. It acts as you on x.com: on your own Chrome it reuses your session, and on a Reduck-hosted browser it loads the x.com cookies saved by the Reduck extension.
It makes changes on x.com, like sending, posting, booking or buying something.
Ask an AI agent connected to Reduck to run reduck/x.com/switch_language, or run it from a terminal with the Reduck CLI: npx @reduck-ai/cli@latest run --script reduck/x.com/switch_language
It is part of Reduck's official curated catalogue.

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