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Formats Python with Ruff running in local WebAssembly. Start with the sample, select the options and run the tool. Copy or download the result after reviewing it.

Behavior and limits

Formats Python with Ruff running in local WebAssembly. This is formatting, not execution or linting. Invalid syntax reports an error. The first use downloads the engine from this site.

Example input

def greet( name ):
 return {"hello":name,"items":[1,2,3]}

Expected behavior for the example

Formats greet(name) with four-space indentation, regular spacing and double-quoted dictionary keys.

Check important output in the application that will consume it. Use the tool directory to find related formats and tasks.

Frequently asked questions