Open an XLSX Without Excel

Quickly peek inside a spreadsheet without buying Excel or uploading to Google Sheets.

Ingen login krævetFiler forbliver private

Slip filer her, eller klik for at gennemse

XLSX, XLS, CSV, ODS ingen filstørrelsesbegrænsning

Gennemse filer

Dine filer forlader aldrig din enhed. Al behandling sker lokalt i din browser.

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

spreadsheets tips

👀

Drop an .xlsx, .xls, .csv, or .ods file to view its contents instantly in a table.

🗂️

Multi-sheet workbooks show tabs — click to switch between worksheets.

🔒

The file is parsed in your browser, so you can safely open a spreadsheet from email without uploading it anywhere.

↔️

Need the data elsewhere? Export the active sheet to CSV or JSON.

Vælg fil

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

Behandl

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

Hent

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

✓Helt gratis — ingen skjulte omkostninger, nogensinde

✓Ingen konto, e-mail eller login krævet

✓Filer forlader aldrig din enhed

✓Ingen filstørrelsesbegrænsninger overhovedet

✓Ingen vandmærker på noget output

Convert XLSX to CSV

Open an Excel file and export a sheet as clean CSV

Convert XLSX to JSON

Turn a spreadsheet into JSON for use in code and A

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Open an Excel attachment on mobile without install