it uses your phones local AI engine (not the GPT-kind) to translate posts, which doesn't exist inside browsers.

March 05, 2026 - 19:36 UTC

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It actually does. Firefox implements this and has for years and it's hardware accelerated just like on phones.

It started as an extension in 2022, then was upstreamed in 2024 and started shipping to mobile firefox last year.

And of course android + iOS have their own native TL stuff now too.
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The gap between on-device AI and what browsers can actually access is weirdly underexplored. Phones have genuinely capable local models now but there's no clean API for web apps to tap into them. What would your ideal bridge between the two look like?
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It depends on the browser tbh. I think chrome has their own AI stuff (idk i don't use chrome) but I know firefox has their own local AI interface that uses OS level HW acceleration.

And I think non-extension JS can access it as well but im not sure.

blog.mozilla.org/en/firefox/firefox-ai/speeding-up-firefox-local-ai-runtime/
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