Panshi

Convert Python to JavaScript

Translate Python code into idiomatic JavaScript — not a literal transliteration, but code that reads the way a JS developer would write it, with caveats flagged.

A naive line-by-line port between languages produces code that technically runs but reads like a foreign accent: Python idioms forced into JavaScript, list comprehensions turned into awkward loops, standard-library calls with no direct equivalent left dangling.

This tool translates intent, not just syntax. It maps Python constructs to their idiomatic JavaScript counterparts, notes where behavior differs (integer division, default mutability, async models) and flags places that need a human decision. Treat the output as a strong draft to review and test, not a finished port.

The tool for this

🔀Code Migration

Translate code to another language or framework — idiomatic, with caveats.

Try Code Migration →

Frequently asked questions

Does it produce idiomatic JavaScript? +

Yes — it maps Python patterns to natural JavaScript rather than a literal line-by-line transliteration, and flags constructs with no direct equivalent.

What about behavior differences? +

It notes the gotchas — integer vs float division, mutability defaults, async/await models — so you do not get silent bugs.

Is the output ready to ship? +

Treat it as a strong draft. Review it and add tests before relying on the migrated code.

Related tools

Browse the full tools directory, or see all Panshi services.