No Lonely Numbers is a free Chrome add-on developed by David Calloway that aims to assist users in replacing single digits with words in HTML textareas. This tool is particularly useful for those following a writing style guide that requires the use of word forms for single digits.

The add-on works by automatically altering any single-digit number surrounded by spaces to its word form in English as you type in an HTML textarea. This feature comes in handy when you are working on multiline text and need to ensure consistency in your writing.

No Lonely Numbers is a simple yet effective solution for writers, editors, and anyone who needs to adhere to specific writing style guidelines. By effortlessly converting single digits to their word counterparts, this add-on streamlines the process and helps maintain consistency in your text.