JavaScript Coding Editor & IDE

Contains adsIn-app purchases
4.0
367 reviews
10K+
Downloads
Content rating
Everyone
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About this app

A fully functioning offline node.js runtime on your mobile device.

It lets you run JavaScript and TypeScript code and scripts offline on your phone, without any internet connection or server setup.

You can use it as a compiler, a console, an engine, a runtime, WebView, or an IDE.

Whether you are a professional developer, a student, or a hobbyist, JavaScript CodePad will help you practice and improve your coding skills anytime, anywhere.

Built in tsc compiler transpiles your TypeScript code to JavaScript offline.

Use the WebView mode to access the built-in Web Browser Window and DOM interface. Combine HTML, CSS, and JavaScript and learn building Web apps.

Organise your code into modules and run multiple JS files using Node.js as a runtime (Internet connection required).

You can run, execute, and evaluate JS code and programs from this app.
Lightweight app with full JavaScript syntax highlighting, code completion and editor actions like undo, redo, comment lines, and indent selection to enhance your developer productivity.

Enhanced productivity with live JS and TS code analysis as you type. Catch errors before you run the code.

Built-in AI Assistant, whenever you get an error in your code, AI can suggest how to resolve it.
AI Assistant can also refactor your code, clean it up, check it for bugs, write comments and documentation strings or just explain it.

Blazing fast, all single script and Web View code is ran directly on the embedded node.js runtime or built in Web browser.

Enhance your programming and JavaScript skills by solving built-in coding problems.
Learn JavaScript with the MDN tutorial. Become a JavaScript coding master.
Learn TypeScript with the official TypeScript handbook.

Test your JavaScript and TypeScript knowledge, the app will tell you if you are writing valid JavaScript.

With JavaScript CodePad, you can:

- Write and execute JavaScript code with syntax highlighting and auto-indentation.
- Run and compile TypeScript code and scripts
- Test and debug your code with the built-in console and error messages.
- Share and load your code snippets for later use
- Customised keyboard with special keys and shortcuts for JavaScript and TypeScript
- Code completion
- Code formatting
- Code linting
- Solve built-in coding challenges
- Access JavaScript and TypeScript tutorial and library reference from the app
- Learn new concepts and techniques
- Write HTML, CSS and JS code and run it in a built-in WebView
- Run multiple JS files

Download it today and unleash your creativity with the most popular programming language in the world.

Note that certain features like Code completion, WebView mode and project mode require paid Developer upgrade.
Updated on
Jul 8, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info, App info and performance, and Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit

Ratings and reviews

4.2
347 reviews
Abdulahi Saed
July 13, 2025
Fantastic app,you can use it like Visual studio.But there is some thing to be added,1st when you want to make coment like (//helo) it is not working or if it is working you can't coment alot of lines at the same time.2nd is there is no Ctrl +z 😂 you know when We are programmers when use it often.
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CloudBit Ltd.
July 14, 2025
Thanks for the review. We have these features, they are available with the developer upgrade.
The Nepo
June 12, 2025
Oh Lord! This is the best of it's kind. For I, have never encountered such a marvelous programming app for coding formerly.The devs need some applause...
2 people found this review helpful
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CloudBit Ltd.
July 4, 2025
Thank you for downloading our app! We will keep working on it!
David Kolaja
October 15, 2024
Simple and nice UI. Console does not log `undefined` or `null` which should be considered as bug. I like it, it's quite expensive tough for what it is and how often are you gonna use it.
4 people found this review helpful
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CloudBit Ltd.
October 15, 2024
Thank you for the honest review. Yes, that is a bug and will be fixed in the next release. Cheers!

What’s new

Performance improvements