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Streamline your data workflow with our powerful Excel to JSON converter. This free online tool instantly transforms your .xlsx and .xls files into well-structured JSON, ideal for developers and data analysts. Handle complex workbooks with multiple sheets, precisely select the data you need, and get your output in seconds—all securely within your browser.
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Convert any sheet from your Excel file
Convert large Excel files in seconds
All processing happens in your browser
Preview results before downloading
Upload your .xlsx or .xls file with multiple sheets
Choose which sheet you want to convert to JSON
Set conversion preferences like headers and data types
Preview and download your converted JSON data
Convert specific Excel sheets to JSON for importing into web applications or APIs
Transform spreadsheet data into JSON format for JavaScript applications
Convert different sheets (data, summary, analytics) to separate JSON files
Prepare specific Excel sheets in JSON format for REST API consumption
If you have JSON data and want to convert it back into Excel format for compatibility or further processing, try our
JSON to Excel Converter →Easily convert your Excel spreadsheets into CSV format for APIs, databases, and modern applications with our
Excel to CSV Converter →Common questions about Excel to JSON conversion
An Excel to JSON Converter is a tool that allows you to transform Excel spreadsheets (.xlsx, .xls) into JSON format instantly. It is useful for APIs, data migration, and web development projects.
Yes, you can select any sheet from your Excel file and convert it into JSON format. The tool supports multiple sheet conversions.
Absolutely. All processing happens directly in your browser. No data is uploaded to any server, making the conversion 100% secure.
The tool is optimized for speed and can convert even large Excel files within seconds, depending on the size and number of sheets.
Yes, the tool provides a preview feature that allows you to check the converted JSON data before downloading it.
The converter supports Excel files in .xlsx and .xls formats and outputs data in standard JSON format.
Click to upload Excel file
Supports .xlsx and .xls files with multiple sheets