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openpyxl vs pandas: What are the differences?

openpyxl and pandas are two popular libraries used for data manipulation and analysis in Python. Let's explore the key differences between openpyxl and pandas:

  1. Data Manipulation: openpyxl is primarily designed for working with Excel files, providing functionality to read, write, and modify spreadsheet data. It allows users to access individual cells, rows, and columns in an Excel worksheet and perform basic operations. On the other hand, pandas is a comprehensive data manipulation library that offers a wide range of operations for handling structured data. It provides powerful data structures like DataFrames and Series, along with numerous functions for data cleaning, filtering, grouping, and aggregation.

  2. Data Analysis: While openpyxl focuses on spreadsheet manipulation, pandas offers extensive data analysis capabilities. It provides statistical functions, data visualization tools, and advanced operations for handling large datasets. Pandas support various data formats, including CSV, Excel, SQL databases, and more, allowing users to seamlessly work with different data sources.

  3. Performance: When it comes to performance, openpyxl can be slower when dealing with large datasets compared to pandas. Pandas is built on top of efficient numerical computing libraries like NumPy, which leverage optimized C and Fortran code. This makes pandas faster for operations involving complex data manipulation and analysis. However, if the primary requirement is working with Excel files and the dataset size is not too large, openpyxl can still provide sufficient performance.

  4. Integration with Other Libraries: Both openpyxl and pandas integrate well with other Python libraries commonly used in data analysis workflows. However, pandas has a broader ecosystem and seamless integration with libraries like NumPy, Matplotlib, and scikit-learn, which further extends its capabilities. This allows users to leverage the strengths of different libraries and build more advanced data analysis pipelines.

  5. Learning Curve: openpyxl has a relatively straightforward API focused on Excel file manipulation, making it easier for users already familiar with Excel concepts. pandas, on the other hand, has a steeper learning curve due to its extensive functionality and more advanced data manipulation operations. It requires understanding concepts like DataFrames, indexing, and applying functions to manipulate and analyze data effectively.

In summary, openpyxl is a specialized library for working with Excel files, providing basic read and write functionality for spreadsheet data. pandas, on the other hand, is a comprehensive data manipulation and analysis library that offers a wide range of operations for handling structured data. pandas is more powerful and flexible, with advanced features for data analysis, integration with other libraries, and better performance for complex data manipulation tasks.

openpyxl Stats
  • Dependent Packages Counts - 236
pandas Stats
  • Dependent Packages Counts - 1.2K
openpyxl Vulnerabilities
  • Improper Restriction of XML External Entity Reference in Openpyxl
pandas Vulnerabilities
No Vulnerabilities found
openpyxl Release info
Latest version
pandas Release info
Latest version
- No public GitHub repository available -

What is openpyxl?

A Python library to read/write Excel 2010 xlsx/xlsm files.

What is pandas?

Powerful data structures for data analysis, time series, and statistics.

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