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Sheet to JSON Converter

Convert an Excel (.xlsx, .xls) or CSV file to JSON instantly.

Input

Output

Upload and convert a file to see the JSON here.

Send toJSON FormatterTypeScript types
Data Transformation

About Sheet to JSON

Convert .xlsx or .csv files to JSON. Perfect for transforming spreadsheet data into structured formats. DevTools provides focused browser-based developer utilities so you can validate inputs, inspect payloads, copy results, and move between related utilities without installing local dependencies or configuring heavy toolchains.

Related Data Transformation tools

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Frequently asked questions

What is Sheet to JSON?
Sheet to JSON is a free online data transformation tool. Convert .xlsx or .csv files to JSON. Perfect for transforming spreadsheet data into structured formats.
Is Sheet to JSON free to use?
Yes. Sheet to JSON is 100% free in your browser with no required sign-up, rate limits, or paywalls.
Who is Sheet to JSON useful for?
Sheet to JSON is built for developers, testers, technical writers, product engineers, students, and DevOps teams who need reliable, fast browser utilities for everyday development work.
Is data processed securely in the browser?
Yes. All core formatting, encoding, generation, and inspection operations happen locally in your browser client sandbox without sending confidential payloads to external servers.