Convert XLSX to CSV

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

Engin innskráning krafistSkrár eru persónulegar

Slepptu skrám hér eða smelltu til að fletta

XLSX, XLS, CSV, ODS engin skráastærðarmörk

Skoðaðu skrár

Skrárnar þínar fara aldrei úr tækinu þínu. Öll vinnsla fer fram á staðnum í vafranum þínum.

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.

Veldu File

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

Ferli

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

Sækja

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

✓Alveg ókeypis - aldrei falinn kostnaður

✓Enginn reikningur, tölvupóstur eða innskráning krafist

✓Skrár fara aldrei úr tækinu þínu

✓Engin takmörk fyrir skráarstærð

✓Engin vatnsmerki á hvaða framleiðslu sem er

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