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browser.translation.bing.apiKeyOverride

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Hello, I insert on browser.translation.bing.apiKeyOverride KEY from https://portal.azure.com, but translate not work on Firefox, can you help? Thank you.

Hello, I insert on browser.translation.bing.apiKeyOverride KEY from https://portal.azure.com, but translate not work on Firefox, can you help? Thank you.

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The built-in feature was not finalized; it's been on pause for many years. For now you need to use an extension to translate pages in Firefox. See: How to add the translate add-on to Firefox.

I find this one works pretty well:

https://addons.mozilla.org/firefox/addon/traduzir-paginas-web/