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Compare JavaScript files online

Compare JavaScript, TypeScript, JSX, and TSX files side-by-side. Ideal for reviewing pull requests, spotting logic changes, or diffing minified vs source code. Runs entirely in your browser — nothing is uploaded to any server.

L: 0 lines  |  R: 0 lines Paste or upload JavaScript files, then click Compare
Original
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Compare JavaScript files online — fast, free, and private

Use TextFileCompare.com to compare JavaScript files directly in your browser. Compare JavaScript, TypeScript, JSX, and TSX files side-by-side. Ideal for reviewing pull requests, spotting logic changes, or diffing minified vs source code. No account required, no data uploaded — your code never leaves your device.

Common use cases

Reviewing React component changes

Diffing Node.js module versions

Comparing transpiled vs source output

Spotting API endpoint changes

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TypeScript PHP Python HTML CSS JSON XML SQL YAML Markdown Java C / C++ Shell / Bash INI / Config Plain Text

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