Highlight typos in the jupyter notebook markdown

Question

When I write something in the jupyter notebook markdown field, the typos are not highlighted and often I ended up with something like this:

In almost all IDEs I have used so far, the typos are highlighted with a curly underline which was very convenient for me. Something like this:

Up till now I have not found anything that allows me to see this type of highlights. Does it exist?

Answer 1

The popular Jupyter Notebook bundle extension from Jupyter-contrib contains a spell checker. You can install and enable this (with admin privileges) like so:

pip install jupyter_contrib_nbextensions jupyter contrib nbextension install --user jupyter nbextension enable spellchecker/main 

This may be the most popular spell checker for Jupyter Notebooks, but note that it simply highlights words not in its dictionary, and does not offer corrections.

If the extension installed properly, you will see this message in the command line:

Now, in the browser, after opening Jupyter, you will see the button labelled "abc" beside the keyboard button, which you can toggle to enable/disable spell check:

The jupyter-contrib library has many other useful modules such as code folding and table of contents.

Answer 2

Run the following in a terminal:

ipython install-nbextension https://bitbucket.org/ipre/calico/downloads/calico-spell-check-1.0.zip ipython install-nbextension https://bitbucket.org/ipre/calico/downloads/calico-document-tools-1.0.zip ipython install-nbextension https://bitbucket.org/ipre/calico/downloads/calico-cell-tools-1.0.zip jupyter nbextension enable calico-spell-check 

You can see typos like Find out more

Afterwards, you need to activate the spell check in the Jupyter Notebook:

%%javascript IPython.notebook.config.update({   "load_extensions": {"calico-spell-check":true,                       "calico-document-tools":true,                       "calico-cell-tools":true                      } })