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Excel to JSON Converter — Free Online, Per-Sheet

Free Excel to JSON converter. First row becomes object keys; subsequent rows become objects in the array. Browser-based.

Excel to JSON Converter

Files never leave your browser

Drop an .xlsx (or .xls / .ods / .csv) here, or click to pick

Parsed entirely in your browser — your file never uploads

About this tool

Headers → keys

The first row of your selected sheet becomes the JSON object keys; every subsequent row becomes a JSON object in the resulting array. Empty cells become null (preserves shape — useful for downstream code that iterates by key).

How to use the Excel to JSON Converter

Takes about a minute. No signup, no download, your data stays in your browser.

  1. 1
    Open the tool. Scroll up to the Excel to JSON Converter above — it loads instantly in your browser, no install needed.
  2. 2
    Enter your values. The fields come pre-filled with realistic defaults so you can see how it works — replace them with your own numbers.
  3. 3
    Read the result. The output updates instantly. Copy or share it — nothing is uploaded to a server, everything stays on your device.

Frequently asked questions

Common questions about the Excel to JSON Converter.

Is the Excel to JSON Converter free to use?

Yes. The Excel to JSON Converteron 7BusyBoss is completely free — no signup, no paywall, no usage cap.

Do I need to sign up to use the Excel to JSON Converter?

No. The Excel to JSON Converterworks instantly in your browser — no account needed. Signing in with Google is optional and only unlocks features like saving favorites and higher AI build limits.

Does the Excel to JSON Converter work on mobile?

Yes. Every tool on 7BusyBoss is mobile-responsive and works in any modern browser — Chrome, Safari, Firefox, Edge — on phones, tablets and desktops.

Is my data safe when I use the Excel to JSON Converter?

Yes. The Excel to JSON Converterruns entirely in your browser — your inputs never leave your device unless the tool explicitly fetches public data (e.g. currency rates). We don't store the values you type.

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