CodeMirror logo
In-browser code editor used in the dev tools for both Firefox and Chrome, Light Table, Adobe Brackets, Bitbucket, and many other projects.

What is CodeMirror?

CodeMirror is a JavaScript component that provides a code editor in the browser. When a mode is available for the language you are coding in, it will color your code, and optionally help with indentation.
CodeMirror is a tool in the Text Editor category of a tech stack.
CodeMirror is an open source tool with 18.1K GitHub stars and 3.9K GitHub forks. Here’s a link to CodeMirror's open source repository on GitHub

Who uses CodeMirror?

26 companies reportedly use CodeMirror in their tech stacks, including Flurry, Treehouse, and Jumplead.

45 developers on StackShare have stated that they use CodeMirror.

Why developers like CodeMirror?

Here’s a list of reasons why companies and developers use CodeMirror
CodeMirror Reviews

Here are some stack decisions, common use cases and reviews by companies and developers who chose CodeMirror in their tech stack.

Ang Li
Ang Li
CEO of Postverta & Software Engineer at Postverta · | 1 upvotes · 577 views
atPostverta Inc.Postverta Inc.

It is the basis of our in-browser editor. Highly customizable with an extensive set of plugins. CodeMirror

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CodeMirror's Features

  • Support for over 60 languages out of the box
  • A powerful, composable language mode system
  • Autocompletion (XML)
  • Code folding
  • Configurable keybindings
  • Vim, Emacs, and Sublime Text bindings
  • Search and replace interface
  • Bracket and tag matching
  • Support for split views
  • Linter integration
  • Mixing font sizes and styles
  • Various themes
  • Able to resize to fit content
  • Inline and block widgets
  • Programmable gutters
  • Making ranges of text styled, read-only, or atomic
  • Bi-directional text support

CodeMirror Alternatives & Comparisons

What are some alternatives to CodeMirror?
Ace is a standalone code editor written in JavaScript. Our goal is to create a browser based editor that matches and extends the features, usability and performance of existing native editors such as TextMate, Vim or Eclipse. It can be easily embedded in any web page or JavaScript application.
Visual Studio Code
Build and debug modern web and cloud applications. Code is free and available on your favorite platform - Linux, Mac OSX, and Windows.
Sublime Text
Sublime Text is available for OS X, Windows and Linux. One license is all you need to use Sublime Text on every computer you own, no matter what operating system it uses. Sublime Text uses a custom UI toolkit, optimized for speed and beauty, while taking advantage of native functionality on each platform.
Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems. Vim is distributed free as charityware.
At GitHub, we're building the text editor we've always wanted. A tool you can customize to do anything, but also use productively on the first day without ever touching a config file. Atom is modern, approachable, and hackable to the core. We can't wait to see what you build with it.
See all alternatives

CodeMirror's Stats

CodeMirror's Followers
56 developers follow CodeMirror to keep up with related blogs and decisions.
tommy liu
Marc Rey
Vineet M
Claudiu Nutu
Greg Antrim
Jamerson Silva
Thomas Jang