Colab Spellcheck

Name: Colab Spellcheck
Rating: 1 (1 reviews)
Author: Marten Thompson

Check your spelling in Google Colab!

As of June 2026, Colab Spellcheck has 382 users and a 1.00/5 rating from 1 reviews in the Developer Tools category.

Marten Thompson Developer Tools

Chrome Web Store ↗.crx

Users+1.6%

382

Rating0%

1.00

1 reviews

Reviews0%

Version

1.0.1

Manifest V3

90-day change · In the last 90 days this extension 1 version update.

History

9 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	376	1.00	1	0.1.2
Apr 30, 2026	363	1.00	1	0.1.2
May 7, 2026	376	1.00	1	1.0.1
May 11, 2026	387	1.00	1	1.0.1
May 17, 2026	392	1.00	1	1.0.1
May 23, 2026	398	1.00	1	1.0.1
May 30, 2026	370	1.00	1	1.0.1
Jun 5, 2026	374	1.00	1	1.0.1
Jun 14, 2026	391	1.00	1	1.0.1
Now	382	1.00	1	1.0.1

Changelog

Apr 30, 2026

description

This extension spellchecks markdown cells in notebooks open in Google Colab, perfect for proofreading your homework, presentations, or notes. 

Note that it uses GrammarBot to do most of the heavy lifting, and you can get a limited-use key for free (no credit card required). Please perform the following setup to use this extension:

** FIRST TIME SET-UP **
1. Add this extension to Chrome
2. Sign up for GrammarBot at https://www.grammarbot.io/signup
3. Copy your GrammarBot API key 
4. In this extension, go to Settings and paste your key; click Save
5. Done!

** DIRECTIONS FOR USE **
After completing the set-up above, you're ready to go! Just:
1. Open your Python notebook in Colab
2. Click on a text/markdown cell to make it active
3. Click on this extension, then click "Check Active Cell"
4. If present, any misspelled words in this cell will appear below the button with suggestions

Thank you for your interest.

This extension spellchecks markdown cells in Google Colab notebooks, perfect for proofreading your homework, presentations, or notes. 

Spellchecking runs completely offline, locally in the extension. No API key or network access is required to function. 

You can teach the spellchecker your own words: click a flagged word to save it or add entries in Settings. Everything is saved in your browser’s local storage only.

Thank you for your interest!

Permissions & access

Permissions: activeTabstorage
Host access: None declared

Screenshots

About

This extension spellchecks markdown cells in Google Colab notebooks, perfect for proofreading your homework, presentations, or notes. 

Spellchecking runs completely offline, locally in the extension. No API key or network access is required to function. 

You can teach the spellchecker your own words: click a flagged word to save it or add entries in Settings. Everything is saved in your browser’s local storage only.

Thank you for your interest!