Convert xlsx to parquet

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Xlsx file(s) on your desktop and select Convert with Filestar.

  3. Type convert to parquet in the search box.

  4. Press Convert.

Or let an AI agent do it: filestarcli -i file.xlsx -c "convert to parquet" (how).

Let your AI agent convert XLSX to PARQUET

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Then ask your agent:

“Convert the XLSX files in my Downloads folder to PARQUET”

Or run it yourself:

filestarcli -i file.xlsx -c "convert to parquet"

Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.

Can my AI agent convert XLSX to PARQUET?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.xlsx -c "convert to parquet" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .xlsx and .parquet?

Extension
.xlsx
.parquet
Format
Binary
Binary
Category
Spreadsheet
Data
Developer
Microsoft
The Apache Software Foundation
Description
An XLSX file is an Excel spreadsheet created by Microsoft Excel or another spreadsheet program, such as OpenOffice Calc or Apple Numbers. It stores data in worksheets, which contain cells arranged in a grid of rows and columns, and may also contain charts, mathematical functions, styles, and formatting. XLSX files are commonly used to store financial data and to create simple or complex mathematical models.
A Parquet file is a columnar data table: each column is stored on its own, compressed and typed, so analytics tools can read only the columns they need. It is the common exchange format of data lakes, Spark, pandas and DuckDB.
MIME Type
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
application/vnd.apache.parquet

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