Key Features

Mobile Optimized

Code comfortably on your phone or tablet. Work efficiently with touch keyboard optimization.

Fast & Lightweight

Runs smoothly with low resource usage. No performance lag even with large files.

200+ Language Support

Syntax highlighting and autocomplete for HTML, CSS, JavaScript, Python, C, C++, Java, C#, Kotlin, Ruby, SQL, PHP, Ruby, Pascal and More...

Documentation

Whether you're learning from scratch or revisiting old knowledge, the built-in Documentation provides a rich, offline library of coding lessons — all inside the app.

Customizable

Personalize theme colors, font size and keyboard settings. Dark mode support included.

Run

Quickly run and preview outputs of HTML/CSS, JS, Python, JSON, Markdown, and more file types.

What Our Users Say

“I've been searching for a reliable mobile editor to run HTML, CSS, JS (WEB) for a long time. Codeflash really delivers a near desktop-level experience. The theme options and project management features are incredibly well-thought-out.”

Jason D.

Beginner

“I'm new to coding and don’t have a PC, but with this app I can code anywhere. Even my teacher was surprised when I showed my project built entirely on my phone :)”

Sarah M.

Computer Science Student

“I started using it instantly, no setup required. The lack of ads and clean interface lets me jump straight into coding without distractions. I can’t believe this is still free.”

Alex R.

Freelance Developer

example.js

                function calculateSum(a, b) {
                  return a + b;
                }
                
                // Get user input
                const num1 = parseInt(prompt("Enter first number:"));
                const num2 = parseInt(prompt("Enter second number:"));
                
                // Calculate and display result
                const result = calculateSum(num1, num2);
                console.log(`Result: ${result}`);
            

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