Browser-based notebook tool

Open IPYNB Files Online Without Jupyter

Use this free online IPYNB viewer to inspect Jupyter Notebook files, code cells, Markdown, metadata, images, and saved outputs directly in your browser.

Drop an IPYNB file to view it online

Your notebook is parsed locally and never uploaded or executed.

Jupyter Notebook .ipynb files up to 20MB

Free online IPYNB viewer for Jupyter Notebook files

Review a notebook before sharing it, check saved charts and errors, or inspect metadata without installing Jupyter, Python, or a desktop viewer.

How to open an IPYNB file online

Choose or drag a .ipynb file above. The viewer reads the notebook JSON in your browser and presents each Markdown, code, raw, and output cell in order.