Convert Excel to JSON

Data-Converter.app is a free, 100% client-side tool to convert Excel to JSON instantly without uploading data to a server.

Upload any .xlsx or .xls Excel file and convert the first sheet to clean JSON. 100% client-side.

Input (Excel)
Verified Local Processing
// Output will appear here

Privacy Shield: Processing happens 100% in your browser. No data is sent to our servers.

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How it Works

1

Paste Excel

Input your raw data directly into the editor.

2

Auto-Detection

We analyze and validate your data instantly.

3

Instant Conversion

Transforms to JSON immediately.

4

Copy & Use

Copy the results to your clipboard with one click.