XlsxWriter
A Python module for creating Excel .xlsx files.
- Status
- Generally available
- Last checked
- Aging · Aug 23, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
XlsxWriter is a powerful and flexible Python library that allows developers to create Excel spreadsheets (.xlsx) directly from their applications. It's particularly useful for generating reports, exporting data, or automating tasks that require Excel file generation.
XlsxWriter is the go-to Python library for generating Excel .xlsx files, offering simplicity and flexibility in creating spreadsheets directly from applications.
When it fits — and when it doesn’t
A good fit for
Developers who need to generate Excel files programmatically for reporting purposes.
Projects requiring automated export of tabular data into Excel format.
Look elsewhere if
Users looking for a tool that supports older Excel formats (.xls).
Complex spreadsheet generation tasks requiring advanced features like macros or pivot tables.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited support for advanced Excel features
XlsxWriter does not support complex Excel features like macros, charts with dynamic data, or pivot tables.
- 02
Performance issues with large datasets
Writing a large number of rows and columns can be slow and memory-intensive, impacting the application's performance.
- 03
No support for reading or modifying existing Excel files
XlsxWriter is write-only; developers must use another library like openpyxl to read or modify existing .xlsx files.
What it does well
Create Excel .xlsx files directly from Python applications.
Support for multiple worksheets within a workbook.
Ability to format cells, including text, numbers, and dates.
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up XlsxWriter
Setup steps, common gotchas and what to check after 30 days.