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Source Map Visualizer

Visualize JavaScript source maps. Original vs generated, tree view.

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This preview template is being upgraded with extra features — 100% local, zero network requests.

Visualize JavaScript source maps. Original vs generated, tree view. Everything runs locally in your browser — your data never leaves your device.

How to use

  1. Enter your input in the tool above.
  2. Adjust any options to your preference.
  3. Use the Copy or Download buttons to save the result.
  4. Everything happens locally — your data never leaves your browser.
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