19 BEST JavaScript IDE (2021 Update)

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Last Updated: 08 February 2021

JavaScript is the most popular client-side scripting language supported by all browsers. JavaScript is used to enhance the interaction of a user with the webpage. There are numerous JavaScript IDEs that offer smart code completion and validate errors in real-time. These tools have a syntax checker and debugger for quickly developing JavaScript applications.

Following is a handpicked list of Top JavaScript IDE, with their popular features and website links. The list contains both open source (free) and commercial (paid) software.

1) Atom

Atom is a simple editor for writing a JavaScript program. It can be customized to do anything without modifying a config file. This tool completes the code automatically as you type.

Features:

It has an integrated package manager.
You can find, preview, and replace text typed in a file or across the entire project.
IDE supports the command palette to run available commands.
You can easily browse and open a file or project.
Quickly find and replace text as you type in the file.
This application can be used on Windows, OS X, and Linux.

Link: https://atom.io/

2) Kite

Kite is IDE for JavaScript that automatically completes multiple line codes. This editor supports more than 16 languages. It helps you to code faster with no hassle.

Price: Free

Features:

It offers JavaScript documentation.
This editor provides a function signature as you type.
You will get a tooltip on mouse hover.
Provides support in email.
Uses machine learning models for JavaScript language.

3) GoormIDE

GoormIDE is a JavaScript editor that enables you to set your development environment. This application allows you to edit and collaborate with other people in real time.

Features:

It offers easy to use GUI.
The program version can be managed conveniently.
It has a wide range of development capabilities.
GoormIDE comes with a built-in messenger.
It provides maximum productivity for developers.

Link: https://ide.goorm.io/

4) Sublime Text

Sublime Text editor is an IDE used for writing JavaScript code. This tool enables you to jump to symbol, word, or line using a keyboard shortcut.

Features:

It offers a command palette for changing the syntax.
Sublime Text provides API to extend the features.
It highlights the syntax.
You can quickly go to the definition of class or method.
This tool supports shortcuts for ease of access.
Sublime Text provides a command palette to hold frequently utilized functionality.

Link: https://www.sublimetext.com/

5) PLAYCODE.io

PLAYCODE.io is an online editor for writing JavaScript code. It offers a fast and simple application. You can sign in in this program to save your progress.

Features:

It enables you to add CSS, jQuery, and HTML code.
Playcode Offers real-time output of the program.
You can share your project just by copy the URL from the browser.
It provides many libraries for writing JavaScript code.

Link: http://playcode.io/

6) JSFiddle

JSFiddle is a free Online JavaScript Editor. It allows you to apply CSS and HTML code to JavaScript. This app enables you to create a new program using the current code as a base.

Features:

You can share code with others.
It offers various JavaScript libraries, including Prototype, MooTools, YUI (User Interface Library), and more.
You can add title and description while saving or sharing.
It provides easy to use user interface.

Link: https://jsfiddle.net/

7) CodePen

CodePen is a tool that helps you to quickly build a JavaScript project. You can use this program to write a program in the browser. It supports front end languages like CSS and HTML.

Features:

It offers templates to quickly start coding.
You can collaborate with other developers.
It provides presentation mode to work with overhead projectors.
It helps you to create dynamic buttons with ease.
This application makes code easier to read.

Link: https://codepen.io/

8) Observable

Observable is a JavaScript IDE that offers numerous web technologies and libraries. It allows you to collaborate with other programmers in your company.

Features:

The code is easy to find and reuse.
Offers a real-time multiplayer code editing feature.
It automatically completes the code.
You can build your customizable dashboard.
Observable provides a user-friendly GUI.

Link: https://observablehq.com/

9) Aptana

Aptana is an open-source JavaScript text editor. It allows you to quickly build JavaScript applications. This application helps developers to become more productive.

Features:

It offers a code deployment wizard to publish your application online.
You can inspect variables, set breakpoints, and control execution.
IDE offers a command line terminal.
It allows you to customize the IDE.
You can integrate with Github (a site to discover, share, and build applications).
This application provides good support for HTML and JavaScript.

Link: http://www.aptana.com/

10) Brackets

Brackets.io is an open-source JavaScript development tool. This tool helps you to design a website using JavaScript, CSS, and HTML.

Features:

You can connect your browser in real time.
It helps you to quickly edit the JavaScript code.
You can efficiently manage your program.
Provides preprocessor support, live preview, and inline editors.
You can quickly customize UI with the help of the Brackets tool.
This app can be used on Linux, Windows, and Mac operating systems.

Link: http://brackets.io/

11) AWS Cloud9

Cloud9 is a cloud-based JavaScript editor that enables you to write, run, and debug code with any browser. It helps you to work from anywhere using an internet-connected machine. This tool supports keyboard shortcuts for easy access.

Features:

You can adjust panels in any direction by simple drag and drop.
It has an integrated debugger to set a breakpoint.
This tool has a built-in terminal that enables you to see the command output from the server.
You can share the development environment with your development team.
Cloud9 offers a variety of themes.
It has an inbuilt image editor to resize, crop or rotate images.

Link: https://aws.amazon.com/cloud9/

12) Codeanywhere

Codeanywhere is a tool that supports more than 75 programming languages. You can access this application from any device and browser. It allows you to manage the code with ease.

Features:

You can collaborate on your JavaScript code in real time.
Offers SSH (Secure Shell) terminal.
Access your project via URL.
It provides multiple color schemes and layouts.
Save changes to Google Drive and Dropbox.
It allows you to delete folders/ files and change the permissions.

Link: https://codeanywhere.com/

13) Eclipse

Eclipse CDT framework is a website development tool for JavaScript. It highlights the syntax you have written. This tool enables you to easily debug the program.

Features:

It provides you readymade code template.
This tool automatically validates syntax.
It supports code refactoring. (A process of improving internal code structure).
You can download Eclipse to manage the project remotely.
This editor can be used on Windows, Linux, and OS X.

Link: https://www.eclipse.org/

14) Codenvy

Codenvy is a cloud opensource IDE. This application includes a multi-user remote development platform. This tool offers SDK (System Development Kit) for creating plugins for frameworks, tools, or languages.

Features:

It allows you to access projects from more than one device.
You can share the workspace.
Offers extensions and APIs.
You can effortlessly operate your cloud the way you want.
It can automate the lifecycle of the workspace.
You can manage versions with ease.

Link: https://codenvy.com/

15) WebStorm

WebStorm is JavaScript IDE. It enables you to debug your client-side apps with ease. This application helps you to integrate applications with VCS (Veritas Cluster Server).

Features:

You can test your code with ease using tools like Mocha, Karma test runner, Jest, and more.
Trace (the process of verifying code manually) your JavaScript code with ease.
This IDE offers a wide range of plugins and templates.
It quickly rolls back to previous versions.
Coding style, fonts, themes, and shortcuts can be customized.
It offers a built-in terminal.

Link: https://www.jetbrains.com/webstorm/

16) Sourcelair

Sourcelair is an application that enables you to develop the JavaScript application from the browser. It allows you to view and test your website using a public URL.

Features:

It allows the developer to work on any devices Chromebook, computer, or iPad.
You can comfortably develop your application.
Offers automatic code completion facility.
The programmer can find and remove bugs instantly.
It provides a command palette.
You can integrate a project with Git.

Link: https://ide.sourcelair.com/

17) BBEdit

BBEdit is a JavaScript editor. It enables developers to manipulate the program without any hassle. This tool can find and replace source code across multiple files.

Features:

This IDE offers syntax coloring.
It provides code folding (collapse the code to see the code in detail).
It supports macOS.
You can integrate the project with Git.
It offers auto text and code completion.
BBEdit provides HTML markup tools.

Link: https://www.barebones.com/products/bbedit/

18) PSPad

PSPad is a tool for creating web pages. This application can immediately compare the versions of your code. You can work with this tool quickly without any customization.

Features:

It can highlight syntax in the source code.
This IDE offers rich text formatting facilities.
You can work with several documents simultaneously.
Offers many templates.
It supports Apache.
The tool highlights matching brackets.
It can correct the mistakes automatically.
Integrated with TopStyle Lite (CSS editor).

Link: http://www.pspad.com/

19) SlickEdit

SlickEdit is a cross-platform IDE for writing in the program. It supports more than 60 languages. This tool can load large files quickly. It allows you to open a file without typing a path.

Features:

You can customize menu items.
Easy to integrate Subversion, CVS, etc.
You can expand a common block structure.
SlickEdit can automatically formats code when pasted.
You can create multi-platform GUI dialogue boxes.
This software automatically saves the file after a period of inactivity.

Link: https://www.slickedit.com/

20) Angular IDE by CodeMix

Angular IDE by CodeMix is a simple JavaScript code editing tool. This software offers real-time validation of errors as you write the program. It can complete the source code automatically.