Skip to content
Spellchecker for jupyterlab notebook markdown cells.
TypeScript CSS
Branch: master
Clone or download


A spell checker extension for markdown cells in jupyterlab notebooks.

Highlights misspelled words.

Based entirely on this jupyter notebook extension.

Uses Typo.js under the hood for spell checking.

Currently only uses the en_US dictionary loaded from the cdn.

Jupterlab Version

The current version has been tested with jupyterlab version 0.32.0.


  • JupyterLab


jupyter labextension install @ijmbarr/jupyterlab_spellchecker


For a development install (requires npm version 4 or later), do the following in the repository directory:

npm install
npm run build
jupyter labextension link .

To rebuild the package and the JupyterLab app:

npm run build
jupyter lab build
You can’t perform that action at this time.