Runs entirely on your device

XLSX to JSON Converter

Convert XLSX files to JSON free — instantly, with no sign-up, no watermark and no upload.

Zero server uploads. The XLSX to JSON conversion happens inside your browser, so your file never leaves your device and nothing is stored by us.

Drop your XLSX file here

or click to browse — accepts .xlsx,.xls

Instant and free

No account, no watermark and no file size limit — as fast as your device allows.

Completely private

Everything runs in your browser, so your files are never uploaded anywhere.

Works everywhere

Chrome, Edge, Safari and Firefox on Windows, macOS, Linux, Android and iOS.

Why convert XLSX to JSON?

Converting a spreadsheet straight to JSON saves writing a parser when you need to seed a database, build a prototype or feed data into an app. Each sheet row becomes a record.

Are my XLSX files uploaded anywhere?

No. The conversion runs inside your browser using your own device's processing power, so the file never leaves your computer or phone and nothing is stored on a server.

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