MultiLangSwitcher

Chromium extension for quickly switching the Accept-Language HTTP header, with a fingerprint checker.

Browser extensionfreeglobal

MultiLangSwitcher is a Chromium browser extension that lets users switch the Accept-Language header their browser sends to websites, including per-domain automatic rules, and includes a detection page that checks language and locale fingerprinting signals such as navigator.language, Intl settings, and WebRTC leaks. It's aimed at users who need sites to see a different language or who want to audit their own fingerprint.

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