Codeflash - Code Editor & IDE

AloneWolf

In-app purchases

About this app

Codeflash - Code Editor & IDE

Codeflash is a free, offline code editor and IDE for Android that lets you write, run, and preview code directly on your phone or tablet — no internet connection, server, or compiler setup required. Whether you're a student learning to code, a web developer testing a quick idea, or a professional who needs a mobile IDE on the go, Codeflash turns your device into a full-featured coding environment.

Run and Preview Code Instantly
Codeflash can execute and preview: HTML, CSS, JavaScript, TypeScript, Python, Ruby, Markdown, JSON, SVG, and plain text files — all offline, with real-time output. Build a web page, test a JavaScript snippet, run a Python script, or render Markdown, and see the result instantly with the built-in browser preview, emulator, desktop mode, and box model tools.

Syntax Highlighting & Autocomplete for 200+ File Types
Beyond the languages it can run, Codeflash provides syntax highlighting and smart autocompletion for more than 200 programming and markup languages, including Java, C, C++, C#, Kotlin, Swift, PHP, SQL, Go, Rust, Dart, Pascal, and many more — making it a versatile code viewer and editor for almost any file type you work with.

Key Features
• Supports 200+ file types for editing and syntax highlighting
• Runs and previews HTML, CSS, JavaScript, TypeScript, Python, Ruby, Markdown, JSON, SVG, and text files
• 100% offline — code without needing an internet connection
• Handles files with over 1,000,000 lines of code with smooth, real-time performance
• Built-in browser preview, emulator, desktop mode, and box model for testing web projects
• Auto-completion, code folding, and syntax highlighting to boost your coding speed
• Recycle bin to safely recover deleted files
• Ready-made code examples for Web, JavaScript, and Python
• 40+ editor color themes plus Light, Dark, and Night app themes
• Show/hide line numbers
• Unlimited undo and redo
• Extra floating keyboard with coding symbols for faster typing
• Extensive built-in documentation library
• Free offline access to reference documents
• Multi-language interface: English, Français, Deutsch, Português, Русский, Türkçe, العربية, हिन्दी, Filipino, Indonesia, and Hausa
• Completely free to use, with no hidden costs

Why Choose Codeflash?
Codeflash is built for anyone who wants to code anywhere — on the bus, at school, or without Wi-Fi. It combines a powerful text editor, a real code runner, and a clean, distraction-free interface, so you can learn programming, prototype ideas, or manage full projects straight from your Android device.

Download Codeflash today and start coding offline, anytime, anywhere.

With every update, Codeflash keeps getting better — bringing new languages, new features, and an even smoother coding experience.


📩 For support and feedback, contact: [e-mail]

WhatsApp Channel
https://whatsapp.com/channel/0029VbBmPeEH5JLxrDtwaN33

Website
https://ferhatgnlts.github.io/codeflash/

Ratings and reviews

on the whole pretty good, the refactor and overhaul has improved many aspects of the interface; currently giving a five-star, but also hoping that we will get some functionality from the older version restored in the near term; • specifically I'd like to see the return of document conversion as a default feature. I can certainly choose whatever extension I like at initial document creation, but this doesn't always achieve the intended results; i.e - .md to .pdf in particular.

Pathetic update! This was the best code editor before. 5 stars before, now 1 star. After Sep 19 update, only HTML is working, all other languages like Python, Java, C++ are gone. New UI is confusing and creating/running a file is very difficult now. Please rollback to old version. Worst update ever.

This is a very good app. Although, it seems python "import" isn't working, i mean when i try to import a module, it gives error. Hopefully, it will be supported in future updates.

What’s new

- You can now export files to a folder of your choice by long-pressing files, selecting them, tapping the ⋮ icon, and choosing Export from the menu. (To export folders or multiple files, you must first convert them into a ZIP archive.)
- Fixed a crash that occurred when migrating projects from the old system to the new system. (Thanks, Ben Latiff!)
- Fixed an issue where the keyboard sometimes failed to appear when opening the app.
- Added new examples.
- General bug fixes and improvements.