Convert XLSX to CSV

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

Geen aanmelding vereistBestanden blijven privé

Sleep bestanden hierheen of klik om te bladeren

XLSX, XLS, CSV, ODS geen bestandsgroottelimiet

Bestanden bladeren

Jouw bestanden verlaten nooit je apparaat. Alle verwerking vindt lokaal in je browser plaats.

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.

Bestand kiezen

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

Verwerken

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

Downloaden

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

✓Volledig gratis — geen verborgen kosten, ooit

✓Geen account, e-mail of aanmelding vereist

✓Bestanden verlaten nooit je apparaat

✓Absoluut geen bestandsgroottelimieten

✓Geen watermerken op uitvoer

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