CodeRunner
Edit and run code faster
CodeRunner is a code editor for when you want to write, run, and debug code in one app, with support for more than 25 languages.
by Nikolai Krill · 96% positive (1,299)
What you get
You can test code and trace errors without leaving your editor.
CodeRunner gives you one place to write code, run it, and investigate what went wrong. You can work in more than 25 languages without setting up a separate editor for each. Code completion with function placeholders reduces repetitive typing, while inline feedback helps you catch errors as you work.
When your code behaves unexpectedly, you can pause execution with breakpoints in more than 10 languages, step through instructions, inspect the call stack, and view or change variables. For web work, you can use the built-in web inspector, inject JavaScript and CSS, and compare PHP output in terminal and web modes.
You can also look up language documentation in a sidebar rather than switching apps. Adjustable syntax colors, spacing, themes, and editing behaviors let you keep code readable and turn off assistance that gets in your way.
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Type less repetitive code
You can complete functions with placeholders instead of typing every part yourself.
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Catch mistakes while writing
You get inline feedback that helps you spot errors before moving further through your code.
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Trace unexpected behavior
You can pause code, inspect variables, and step through execution in more than 10 languages.
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Look up documentation in place
You can check functions, methods, and classes in a sidebar without switching to another app.
Best for
- You write and test code across several languages
- You need to inspect scripts with breakpoints
- You debug JavaScript, CSS, or PHP
Skip it if
You probably don't need it if your current editor already covers your coding, execution, and debugging needs.
Screenshots
From the developer
Simplify your software development with the lightning-fast code editor. Write, run, and debug quickly from a single app with out-of-the-box support for more than 25 languages. Fine-tune your work using 230 syntax highlighters, essential IDE features, documentation sidebar, customizable preferences, and dark/light mode.Read the full description
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