Python Scientific Stack

Calling Python functions from Excel should be easy.

xlSlim makes calling Python functions as simple as possible. No Python code changes are required (although sometimes type hints are).

Use Python in Excel just like Jupyter notebooks

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  • DuckDB logo

    DuckDB in Excel!

    xlSlim now supports running DuckDB queries right in Excel using the new DuckDbQuery() Excel function. DuckDB is a very powerful query engine that supports efficient querying from many data sources...

    DuckDB in Excel!

    xlSlim now supports running DuckDB queries right in Excel using the new DuckDbQuery() Excel function. DuckDB is a very powerful query engine that supports efficient querying from many data sources...

  • xlSlim 3.3.0 adds support for Python 3.12

    xlSlim now supports Python 3.12 which brings: Improved error messages More powerful f-strings Performance improvements Real Python has a nice overview of the improvements in Python 3.12. Note that xlSlim...

    xlSlim 3.3.0 adds support for Python 3.12

    xlSlim now supports Python 3.12 which brings: Improved error messages More powerful f-strings Performance improvements Real Python has a nice overview of the improvements in Python 3.12. Note that xlSlim...

  • Install using Chocolatey

    Install using Chocolatey

    xlSlim can now be installed using Chocolatey!Chocolatey is a Windows application package manager, similar to apt and npm. Chocolately allows scripted Windows application installations so deployments can be automated. xlSlim...

    Install using Chocolatey

    xlSlim can now be installed using Chocolatey!Chocolatey is a Windows application package manager, similar to apt and npm. Chocolately allows scripted Windows application installations so deployments can be automated. xlSlim...

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Apache Kafka Logo

Streaming data into Excel should be easy

Any Python generator function can be used to stream data into Excel. No more worrying about how IRTDServer works. The video below shows how numpy arrays can be streamed from Kafka to Excel.

Watch a movie in Excel!

xlSlim Free Features

  • Free of charge

    xlSlim is available free of charge! You can use it for any purpose without any license fees. Some features require a Premium license.

  • Python Included

    No need to install Python, Python 3.10 is included.

  • Stream data

    Use standard Python iterators to stream data into Excel.

    Docs 

  • No code changes

    Run Python functions from Excel with no code changes.

    No additional packages need to be installed.

    Docs.. 

  • VBA/Excel add-in functions

    Call VBA functions from Python.

    Call Excel add-in functions from Python.

    Docs.. 

  • Automatic object caching

    Python objects are automatically cached. Moving objects in and out of the cache is taken care of without requiring any code changes.

    Docs.. 

30 minute overview

xlSlim Premium Licensed Features

  • numpy

    numpy arrays are fully supported.

    numpy arrays can be created from Excel ranges.

    Docs.. 

  • pandas

    pandas series and dataframes are fully supported.

    pandas series and dataframes can be created from Excel ranges.

    Docs.. 

  • Existing Python environments

    Existing conda and venv environments can be used.

    Docs.. 

  • Background process

    Problems with maintaining the same DLL versions in your Python packages and Excel add-ins?

    xlSlim can run the Python code in a background process.

    Docs.. 

  • DuckDB

    Run DuckDB queries within Excel with the DuckDbQuery() function.

xlSlim

xlSlim Premium License - 12 months

£74.99 GBP
£74.99 GBP
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