Java Compiler & Kotlin IDE

JavaVEdit is a Java compiler and code editor for Android. Write Java and Kotlin, tap Run, and see real output from an on-device compiler — no internet, no account, no cloud execution.

People install a Java compiler for one reason: they want their code to actually run. JavaVEdit compiles and runs real Java and Kotlin on your phone — single files or full multi-file projects — and shows the result in a built-in console. No gimmicks.

FEATURES:

- Compile and run Java offline — a real on-device compiler, not a cloud service

- Kotlin support — create .kt files, run top-level main, data classes, collections, extensions

- Multi-file Java projects with a package-aware file tree

- Notebook mode — runnable cells for experiments and interview prep

- One-tap libraries — Gson, Jsoup, Apache Commons, and more

- Import your own JAR files onto the classpath

- Preview local Java web apps inside the app

- Syntax highlighting, auto-indent, search and replace, snippets, line numbers

- Dark themes and adjustable editor settings

- Works fully offline — no account, no cloud, no sign-up

- Pro tier: removes ads and unlocks advanced library search and editor themes

PERFECT FOR:

- Students learning Java, Kotlin, OOP, and data structures

- Developers testing algorithms or small utilities on the go

- Interview prep — practising DSA in real Java on your phone

- Android learners practising Kotlin syntax

- Anyone who wants an offline Java compiler that actually runs code

TECHNICAL DETAILS:

- Compiles and runs Java and Kotlin on-device

- Multi-file projects with a package-aware file tree

- Import external JAR files onto the classpath

- No internet connection required for any feature

JavaVEdit handles Java the way it should work on a phone — write code, tap Run, read the output. Compile offline. No accounts, no cloud, no friction.

LANGUAGES:

Interface in 15 languages including English, Spanish, Portuguese, French, German, Russian, Hindi, Bengali, Indonesian, Turkish, Urdu, Arabic, Chinese, Japanese, and Korean.

Built by Cosmovex, makers of JSONVEdit, HTMLVEdit, XMLVEdit, CSVVEdit, and the VEdit family of offline editors.

Keywords: java compiler, kotlin compiler, java ide, java editor, run java, run kotlin, java programming, learn java, learn kotlin, offline compiler