What languages does NotebookLM support?
NotebookLM's interface and AI support major world languages including English, Spanish, French, German, Portuguese, Italian, Dutch, Polish, Russian, Japanese, Korean, Chinese (Simplified and Traditional), Arabic, Hindi, Turkish, Vietnamese, and more.
In more detail
NotebookLM's interface is available in 30+ languages. The underlying Gemini model handles source ingestion and chat in major world languages with comparable quality. You can upload sources in one language and ask questions in another — cross-lingual research is supported. Audio Overviews are primarily English in 2026 with expanding multilingual coverage. Notebook Toolkit's UI is localized to 16 languages and handles non-English source content correctly. For Chinese, Japanese, Hindi, Arabic, Spanish, Portuguese, and other major markets, NotebookLM is fully usable.
Get one-click capture for NotebookLM
Notebook Toolkit saves ChatGPT, Claude, YouTube, Reddit, and any web page to NotebookLM in one click. Free to install.
Install Notebook Toolkit