Convert XLSX to CSV

Open an Excel file and export a sheet as clean CSV.

Sin necesidad de registroLos archivos permanecen privados

Arrastra archivos aquí o haz clic para explorar

XLSX, XLS, CSV, ODS sin límite de tamaño de archivo

Explorar archivos

Tus archivos nunca salen de tu dispositivo. Todo el procesamiento se realiza localmente en tu navegador.

Open .xlsx, .xls, .csv, or .ods spreadsheets without Excel or Google Sheets. The file is parsed entirely in your browser.

CSV tips

🔄

Open the workbook, pick the sheet you want, and click "⬇ CSV" to download it.

🗂️

Each sheet exports separately, so you control exactly which data becomes CSV.

🧮

Great for importing spreadsheet data into tools and scripts that only accept CSV.

🔒

Conversion happens locally — your data never leaves the browser.

Elegir archivo

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Procesar

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Descargar

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Completamente gratis — sin costes ocultos, nunca

✓Sin cuenta, correo ni registro requerido

✓Los archivos nunca salen de tu dispositivo

✓Sin límite de tamaño de archivo en absoluto

✓Sin marcas de agua en ningún resultado

Open an XLSX Without Excel

Quickly peek inside a spreadsheet without buying E

Convert XLSX to JSON

Turn a spreadsheet into JSON for use in code and A

Safely Inspect an Unknown Spreadsheet

View a spreadsheet from an untrusted source withou

View a Spreadsheet on Your Phone

Open an Excel attachment on mobile without install