XLS to JSON Converter
Reads .xlsx or .csv files and parses sheets to JSON.
XLS to JSON Converter is a browser-based web developer tool on WebDevToolsBase. Reads .xlsx or .csv files and parses sheets to JSON. To use it, choose a spreadsheet or CSV file, select a sheet, and review its JSON rows — no signup and nothing to install.
XLS to JSON Converter is a free JSON Tools utility that runs entirely in your browser — nothing you enter is uploaded.
How to use XLS to JSON Converter
- Choose an .XLS, .XLSX, or .CSV source file.
- Select a sheet after the workbook has loaded and choose whether to format the JSON.
- Review the JSON rows generated from the selected sheet.
- Use Download to save data.json or Copy to copy the JSON text.
About this tool
XLS to JSON Converter reads a selected spreadsheet or CSV file and converts the selected sheet to JSON rows in your browser.
The selected source is processed in your browser. Processing time and supported file sizes depend on the file and your device.
Frequently asked questions
What does XLS to JSON Converter do?
XLS to JSON Converter reads a selected spreadsheet or CSV file and converts the selected sheet to JSON rows in your browser.
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.
Related json tools
All product names, logos, and trademarks are the property of their respective owners. This is an independent tool and is not affiliated with, endorsed by, or sponsored by any of them.