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Compiler for Java, C++, Python, SQL and HTML code, with an AI assistant
Code Editor Pro is a multi-language code editor, compiler and IDE for your phone. Write Java, C++, Python, SQL, JavaScript or HTML, tap Run and see real output from a cloud compiler in seconds, with an AI coding assistant that explains, fixes and improves your code. PAY ONCE, NO ADS The app is a one-time purchase. There is no subscription, there are no ads, and every AI tool in the app is included. ONE APP FOR MANY LANGUAGES Switch languages at any time. Run Java, C, C++, C#, Python, JavaScript, TypeScript, Go, Kotlin, Swift, PHP, Ruby, Objective-C, Scala, Haskell, Lua, Pascal, R, Elixir, Erlang, Groovy, Clojure and SQL. Write HTML, CSS and JavaScript with a live preview, and edit Dart, JSON, XML, YAML and Markdown files. One code editor replaces a separate Java compiler, C++ compiler, Python interpreter, SQL editor, PHP editor and HTML editor. A MOBILE IDE IN YOUR POCKET • Write a program and run it right away, then debug it on the same screen • Programs that read input work too: an input panel opens by itself when your code asks for input • Syntax highlighting, line numbers and a smart keyboard bar with the symbols you type most • Code history takes you back to an earlier version of a file • Settings for font size, tab size and word wrap, plus dark and light themes AI CODING ASSISTANT • Select any part of your program and ask the AI to explain it, optimize it, rewrite it, format it, write a unit test for it or port it to another language • Changes arrive as a diff you read before you apply them, so nothing is overwritten by surprise • Code review: quick or detailed explanations, bug hunting and refactoring suggestions • Describe what you need in plain words and the AI code generator writes a first draft • Pick from several AI models, from fast to more powerful PROJECTS AND PRACTICE • Multi-file projects with a file tree and starter templates • Guided projects, step by step: a calculator, a password generator, Java classes, a SQL library database, a React to-do app, a CSS navbar and more • Coding missions from Hello World to binary search and bubble sort, in easy, medium and hard levels • Save snippets, notes and examples, and share a program as a link or an image card BUILT FOR A SMALL SCREEN Typing on a phone is different from typing on a laptop, so the app is designed around it. The keyboard bar puts brackets, quotes and operators one tap away and learns which ones you use most. Output, errors and your input stay on the same screen as your code, so you never lose your place. When a program fails, the error message stays visible and the assistant can walk you through it line by line. HOW IT WORKS 1. Open the app and pick a language 2. Write your code, or let the AI draft it 3. Tap Run and read the output, errors included 4. Ask the AI why something broke and apply its fix after reviewing the diff WHO IT IS FOR • Students running homework and small experiments on the go • Developers who want a mobile IDE to test an idea away from the laptop • Learners who want to practise Java, C++, Python or SQL every day • Anyone who needs a quick code runner without installing a toolchain GOOD TO KNOW • Programs run in the cloud, so running a program needs an internet connection • The interface is available in many languages • Java, Python and the other language names mentioned are trademarks of their respective owners; this app is independent and is not affiliated with them Get Code Editor Pro and run your first program in under a minute.