Python Online Compiler
Run Python code
in one second.
Code it.Run it.Nail it.
No install.No setup.Just open your browser and start coding.
// Press Run ▶ to execute your code
Python 3.11
UTF-8
Spaces: 4
RunIt v1.0
Documentation
Learn Python with ready-to-run examples. Click any card to load it in the editor.
👋 Hello World
print("Hello, World!")
🔄 For Loop
for i in range(5):
⚙ Functions
def greet(name): ...
📋 Lists
nums = [1, 2, 3, 4, 5]
📦 Dictionaries
data = {"key": "value"}
🔢 Fibonacci
def fib(n): ...
How to use RunIt
# 1. Click the Editor tab
# 2. Write your Python code
# 3. Press Run — output appears instantly
# 4. Check PROBLEMS tab for errors
print("That's it!")
About RunIt
RunIt is a fast, minimal Python compiler that runs entirely in your browser. No installations, no accounts — just open and code.
Built for beginners learning Python without hassle, and developers who need a quick scratchpad on any device.
Python 3.11
Free Forever
No Signup
Dark + Light
Mobile Ready
⚡
Instant Execution
Zero delay — run in milliseconds
🔢
Line Numbers
Always know where you are
🧠
Autocomplete
Smart Python suggestions
🐛
Error Detection
Problems tab for runtime errors