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See how Babel transforms your JS/JSX/TS — pick presets, plugins, and target, side-by-side.
(compile output appears here)
Real @babel/standalone. Compiles as you type. Target controls preset-env browsers list; toggle React/TS presets and the 4 most-common proposal plugins individually.
Paste modern JavaScript / JSX / TypeScript and see exactly what Babel transforms it into. Toggle presets (env, react, typescript) and individual plugins (decorators, optional chaining, class properties, async-to-generator). Side-by-side input/output, multi-target presets (ES5 / ES2015 / ES2020 / modern), and copy-output button. Real @babel/standalone runs in your browser.
Learn how to transpile modern JavaScript, JSX, and TypeScript into browser-compatible code using Babel presets and plugins.
Paste your code into the input
Enter your modern JavaScript, JSX, or TypeScript code into the left-hand input panel to begin the transformation process.
Select your desired Babel presets
Toggle presets like env, react, or typescript to define how the compiler should handle your specific syntax.
Configure individual plugins and targets
Enable specific plugins like decorators or class properties and set your target output to ES5, ES2015, or modern standards.
Review the transformed output code
Check the right-hand panel to see the real-time transpiled result generated by @babel/standalone running in your browser.
Copy the resulting code
Use the copy-output button to quickly grab the transformed code for use in your project or for debugging purposes.
Estimated time: PT1M
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