JSON Tools

XLS to JSON Converter

Reads .xlsx or .csv files and parses sheets to JSON.

Client-sideRuns entirely in your browser — your data never leaves your device.

XLS to JSON Converter is a free JSON Tools utility that runs entirely in your browser — nothing you enter is uploaded.

JSON output

How to use XLS to JSON Converter

  1. Start by adding the JSON you want to convert into XLS to JSON Converter.
  2. Adjust the File, Sheet options to match what you need.
  3. XLS to JSON Converter updates the output automatically as you type.
  4. Use Download to keep or reuse the result.

About this tool

XLS to JSON Converter is a static, client-side tool with no backend. XLS to JSON Converter parses JSON entirely in your browser, so large or deeply nested documents stay on your device.

Clear error positions help you find a stray comma or bracket quickly. It behaves the same on desktop and mobile, with nothing stored remotely.

Frequently asked questions

What does XLS to JSON Converter do?

XLS to JSON Converter lets you convert your input right in the browser using the File, Sheet controls, with the result shown instantly and nothing uploaded.

Does XLS to JSON Converter cost anything?

No — XLS to JSON Converter is completely free, with no sign-up and no hidden limits.

Is my input private in XLS to JSON Converter?

Yes — your input never leaves your device; XLS to JSON Converter does all the work in your browser.

Can XLS to JSON Converter handle large or deeply nested JSON?

Yes. XLS to JSON Converter parses JSON entirely in your browser, so large or nested documents stay on your device and never upload.

Can I use XLS to JSON Converter without a connection?

Yes — after the first load XLS to JSON Converter runs entirely offline.

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