IMPORT · FILES, BOOKS AND PAPERS
Bulk upload files and folders to NotebookLM
Short answer
To add many files at once, drop them, or a whole folder, into the NotebookLM Ultra Exporter import center. Markdown and TXT become text sources; PDF, Word, PowerPoint, images and audio use the official upload. Free allows 5 per batch and 20 per day.
Quick facts
| Item | Detail |
|---|---|
| Where | Import center, local files method |
| Plan | Free |
| Allowance | Free: 20 successful source imports per local day, up to 5 per batch. Pro removes both limits. |
| Data flow | The material you select is sent to Google NotebookLM. Capture reads the source site from your browser. |
Steps
- Install NotebookLM Ultra Exporter in desktop Chrome, then refresh any open NotebookLM (Gemini Notebook) tab.
- Open the import center and choose local files.
- Drop files or pick a folder; original files remain unchanged.
- Review the list, which marks unsupported, empty and oversized files with a reason, then submit.
Limits to know
- The formats finally accepted are decided by NotebookLM.
- Text files can be merged into fewer sources to save source slots.
- Google's own limits still apply: sources per notebook, file size and accepted file types are decided by NotebookLM, and Pro does not raise them.
Free or Pro?
Free, with no daily export quota and no website account needed. Pro covers the extension only; it does not include a Google subscription or raise NotebookLM's own limits. Current prices are on the pricing page.
Frequently asked questions
Is it free to bulk upload files and folders to NotebookLM?
Yes. It is a basic import method. Free allows 20 successful source imports per local day and 5 items per batch; Pro removes both limits.
Which file types can I upload?
Text files such as Markdown and TXT, plus the documents, images and media NotebookLM itself accepts. Unsupported files are listed with the reason.
What happens if a source is already in the notebook?
The import preview flags duplicates and items already in the target notebook, and you can skip them. If you import the same page again on purpose, NotebookLM creates a second copy.
Related guides
To query your Obsidian notes in NotebookLM, pick the vault folder in the NotebookLM Ultra Exporter import center.
To add Markdown notes or documentation, select the .md files in the NotebookLM Ultra Exporter import center.
To study a book in NotebookLM, use the book import in NotebookLM Ultra Exporter Pro. It parses the EPUB, previews it by chapter, and imports each selected.
When a PDF is too large for one NotebookLM source, the book import in NotebookLM Ultra Exporter Pro splits it into smaller PDFs that keep their layout, by.
To build a literature notebook, paste paper URLs or DOIs into the papers import of NotebookLM Ultra Exporter Pro.
To add arXiv papers in bulk, paste arXiv links or identifiers into the papers import of NotebookLM Ultra Exporter Pro.
To collect biomedical literature, paste PubMed links or identifiers into the papers import of NotebookLM Ultra Exporter Pro.
When a notebook reaches its source limit, NotebookLM Ultra Exporter can combine several sources into one text source that keeps a table of contents, the.