Spreadsheet Converter

Convert spreadsheets between XLSX, CSV, ODS, HTML, and JSON in your browser.

Convert to

01 — Overview

How it works

Convert Excel and OpenDocument spreadsheets between XLSX, XLS, ODS, CSV, HTML, and JSON. Everything runs locally with SheetJS — your spreadsheets are never uploaded. Drop a file and choose the output format.

02 — Use cases

When to use it

  1. 01

    Converting an Excel export to CSV for a database import

  2. 02

    Turning a spreadsheet into JSON for an app

  3. 03

    Converting ODS to XLSX for Excel compatibility

03 — Examples

Real input, real output

report.xlsx

ex 01

report.csv

Convert an Excel file to CSV

data.csv

ex 02

data.xlsx

Convert a CSV to a real Excel workbook

04 — FAQ

Frequently asked

Yes — XLSX and legacy XLS as input, and XLSX, ODS, CSV, HTML, or JSON as output. All processing happens in your browser.

05 — More

Tools that pair well

Data Format Converter

Convert between JSON, YAML, XML, CSV, and Parquet — right in your browser.

PDF/data-converter