Excel → JSON
Convert .xlsx or .xls files to JSON — drop your file below.
Drop your Excel file here
or click to browse · .xlsx, .xls, .ods
Excel to JSON: bridging spreadsheets and code
Excel remains the default tool for data collection, financial modeling, and reporting across most organisations. But applications and APIs don't speak .xlsx. Converting Excel to JSON lets you load spreadsheet data into a JavaScript app, seed a database, or pass it to a REST endpoint — without writing a parser or installing a library.
Multi-sheet support and header detection
Real-world Excel files often contain multiple sheets — a summary tab, regional breakdowns, monthly data. The converter lists every sheet and lets you switch between them instantly. Enable "Headers" to use the first row as JSON object keys; disable it to get arrays of raw values per row. Files are parsed entirely in your browser using the SheetJS library.
Data migration and integration use cases
Finance teams export budget spreadsheets to JSON to feed a dashboard or planning tool. Operations teams convert inventory .xlsx files into JSON for database seeding. Analysts share clean JSON with developers who need structured data without spreadsheet tooling. Because no file is uploaded to a server, sensitive financial or HR data stays private.