CodeMirror is a versatile text editor implemented in JavaScript for the browser. It is specialized for editing code, and comes with a number of language modes and addons that implement more advanced editing functionality. A rich programming API and a CSS theming system are available for customizing CodeMirror to fit your application, and extending it with new functionality. Development and bug tracking happens on github ( alternate git repository ). Please read these pointers before submitting a bug. Use pull requests to submit patches. All contributions must be released under the same MIT license that CodeMirror uses. Discussion around the project is done on a discussion forum . Announcements related to the project, such as new versions, are posted in the forum's "announce" category. If needed, you can contact the maintainer directly. We aim to be an inclusive, welcoming community. To make that explicit, we have a code of conduct that applies to communication around the project. The desktop versions of the following browsers, in standards mode (HTML5 recommended) are supported:
| Website | http://www.codemirror.net |
| Revenue | $4 million |
| Employees | View employees |
| Industry | Business Services General, Communities, Business Services, Community and Lifestyle |
| Competitors | Microsoft, Replit, CKEditor, TinyMCE, StackBlitz, Sublime Text, VSCode Chrome Extension Devtools, Cloud9 IDE, Froala, CodeSandbox +22 more (view full list) |
| SIC | SIC Code 73 Companies, SIC Code 737 Companies |
| NAICS | NAICS Code 5415 Companies, NAICS Code 541511 Companies, NAICS Code 541 Companies, NAICS Code 54 Companies, NAICS Code 54151 Companies |
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The CodeMirror annual revenue was $4 million in 2026.
The NAICS codes for CodeMirror are [5415, 541511, 541, 54, 54151].
The SIC codes for CodeMirror are [73, 737].
