Code Playgrounds — Run Code in Your Browser

JavaScript Live

Full ES2015+ JavaScript playground. console.log output, error catching, 6 example snippets. Runs natively in your browser.

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Python Live

Real CPython 3.12 via Pyodide (WebAssembly). Full standard library — math, json, datetime, itertools, dataclasses, typing and more. ~8MB first load, cached after.

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SQL Live

Real SQLite via sql.js (WebAssembly). CREATE tables, INSERT rows, SELECT with JOINs, aggregates, window functions, CTEs. Results as formatted tables. ~1MB first load, cached after.

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Go Coming Soon

Go playground — wireframe in place, real in-browser execution coming soon.

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Rust Coming Soon

Rust playground — wireframe in place, real in-browser execution coming soon.

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TypeScript Coming Soon

TypeScript playground — wireframe in place, real in-browser execution coming soon.

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Java Coming Soon

Java playground — wireframe in place, real in-browser execution coming soon.

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C Coming Soon

C playground — wireframe in place, real in-browser execution coming soon.

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C++ Coming Soon

C++ playground — wireframe in place, real in-browser execution coming soon.

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Kotlin Coming Soon

Kotlin playground — wireframe in place, real in-browser execution coming soon.

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Swift Coming Soon

Swift playground — wireframe in place, real in-browser execution coming soon.

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