Can I use NotebookLM in Japanese?
Yes. NotebookLM's interface and underlying AI handle Japanese well. Upload Japanese sources and ask questions in Japanese. Notebook Toolkit's UI is also localized to Japanese.
In more detail
NotebookLM supports Japanese (日本語) for both UI and source content. The Gemini model handles Japanese accurately for reading and generation. Upload Japanese PDFs, articles, transcripts, and YouTube videos; ask questions in Japanese; get cited answers. Notebook Toolkit's UI is fully localized to Japanese, and it captures Japanese-language sources from AI chats, articles, and social media. For Japanese researchers and students, NotebookLM is among the strongest AI research tools available.
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