RunPad: Mobile Code Editor

RunPad is a mobile code editor and runner that lets you write, run and test code directly on your Android phone.

Supported languages and formats:

• HTML, CSS and JavaScript with live preview

• Python

• PHP

• C

• Java

• SQL

• JSON and CSV preview

Features:

• Run your code and see the output in a built-in console

• Type lines in the console to test JavaScript, HTML, Python, SQL and PHP instantly

• Console input support for programs that ask for user input

• Local project environment for HTML, CSS and JavaScript projects, served over local HTTPS

• Create and manage files and project folders

• Optional AI assistant: use your own API key (Claude, OpenAI or Gemini) to explain, fix, improve or comment your code, then apply the change and run it

• 7 interface languages, automatically matched to your device language

• Manual language selection in settings

• Clean, minimal design built for small screens

• No account or sign-up required

RunPad is great for:

• Learning to code on the go

• Practicing small programs and algorithms

• Testing quick ideas and snippets

• Trying out web pages and scripts without a computer

Privacy: Your code and project files are stored on your device. RunPad does not require an account and does not send your files to the developer. Code is sent to an AI provider only when you use the AI assistant with your own API key, and only the file you choose and the latest console output.

RunPad is free and shows ads. Watch 10 short ads to unlock one hour without ads.

Questions or feedback? Contact us at [email protected]