Mathematica2Jupyter: Mathematica Notebooks to Jupyter or VS Code

Converts Mathematica notebooks (.nb) to Jupyter (.ipynb) or VS Code (.wlnb/.vsnb) Notebook formats.

Author

divenex

Date

2025-05-24

Summary

This Mathematica2Jupyter Wolfram Language package provides a function to convert Mathematica notebooks (.nb files) into either Jupyter Notebook files (.ipynb) or VS Code Notebook files (.wlnb/.vsnb). This allows for easier viewing and interaction with Mathematica notebook content within either the Jupyter environment or VS Code, leveraging their native notebook interfaces.

The resulting .ipynb files are meant to be used with the official Wolfram Language kernel for Jupyter notebooks.

For VS Code, there are two notebook extensions available:

• .wlnb files work with the Wolfram Language Notebook extension
• .vsnb files work with the official Wolfram Language extension

Note: The .wlnb and .vsnb formats are functionally identical and differ only in their file extension.

The conversion handles various cell types including:

• Input cells (converted to Wolfram Language code cells)
• Text cells (Title, Section, Subsection, Item)
• Styled text (bold, italic, font color) - best effort conversion to Markdown
• Hyperlinks
• TeX-like formulas (DisplayFormula)

Package Version

1.0

Mathematica Version

Requires Mathematica 12.0 or newer.

Copyright

(c) 2025 divenex (https://github.com/divenex)

Function

Mathematica2Jupyter[inputFile, format]

Usage:

Mathematica2Jupyter[inputFile, format]

Details:

• inputFile: A string representing the full path to the Mathematica notebook (.nb) file you want to convert.
• format (optional): A string specifying the output format:

* "ipynb" (default) - Creates Jupyter Notebook format * "wlnb" - Creates VS Code Notebook format for the Wolfram Language Notebook extension * "vsnb" - Creates VS Code Notebook format for the official Wolfram Language extension

• The function converts the specified Mathematica notebook to the chosen format.
• The output file is saved in the same directory as the input file, with the same base name but with the appropriate extension (.ipynb, .wlnb, or .vsnb).
• Returns the absolute path to the created file upon successful conversion.
• Returns $Failed if the conversion fails (e.g., if the input file does not exist).

How to Use

• Load the Package:

Make sure the Mathematica2Jupyter.wl file is in a location where Mathematica can find it (e.g., your working directory, a directory in $Path, or install it as a package). Then, load the package into your Mathematica session:

Get["path/to/Mathematica2Jupyter.wl"] 
    ( Or if installed/in $Path )
    Needs["Mathematica2Jupyter&quot;]</code></pre>
 Convert a Notebook:
    Call the Mathematica2Jupyter function with the path to your .nb file:
    
    For Jupyter Notebook (.ipynb):
    <pre><code class="lang-wolfram">Mathematica2Jupyter[&quot;C:\Users\YourName\Documents\MyNotebook.nb&quot;]
    ( or explicitly specify format )
    Mathematica2Jupyter[&quot;C:\Users\YourName\Documents\MyNotebook.nb&quot;, &quot;ipynb&quot;]</code></pre>
      For VS Code Notebook (.wlnb):
    <pre><code class="lang-wolfram">Mathematica2Jupyter[&quot;C:\Users\YourName\Documents\MyNotebook.nb&quot;, &quot;wlnb&quot;]</code></pre>
    
    For VS Code Notebook (.vsnb):
    <pre><code class="lang-wolfram">Mathematica2Jupyter[&quot;C:\Users\YourName\Documents\MyNotebook.nb&quot;, &quot;vsnb&quot;]</code></pre>
    
    Or using a relative path if appropriate:
    <pre><code class="lang-wolfram">SetDirectory[NotebookDirectory[]]; ( Or any other relevant directory )
    Mathematica2Jupyter[&quot;MyNotebook.nb&quot;, &quot;wlnb&quot;]</code></pre>
 Open in Target Application:
    The converted file will be created in the same directory as the original .nb file. You can then:
    - Open .ipynb files with Jupyter Notebook or JupyterLab
    - Open .wlnb files with VS Code using the Wolfram Language Notebook extension
    - Open .vsnb files with VS Code using the official Wolfram Language extension
Example
<pre><code class="lang-wolfram">( Assuming Mathematica2Jupyter.wl is in the current working directory or $Path ) Needs[&quot;Mathematica2Jupyter"]
( Specify the path to your Mathematica notebook ) notebookPath = "C:\Path\To\Your\Mathematica\Notebooks\Example.nb";
( Convert to Jupyter format (default) ) Mathematica2Jupyter[notebookPath]
( Convert to VS Code format for Wolfram Language Notebook extension ) Mathematica2Jupyter[notebookPath, "wlnb"]
( Convert to VS Code format for official Wolfram Language extension ) Mathematica2Jupyter[notebookPath, "vsnb"]
( Convert to Jupyter format explicitly ) Mathematica2Jupyter[notebookPath, "ipynb"]

Notes

• The conversion process attempts to map Mathematica cell styles (Title, Section, Input, etc.) to appropriate Markdown or code cells in the target notebook format.
• Input cells from Mathematica are converted to Wolfram Language code cells that can be executed in either Jupyter (with Wolfram kernel) or VS Code (with appropriate Wolfram extension).
• The format parameter accepts "ipynb" for Jupyter, "wlnb" for the Wolfram Language Notebook extension, and "vsnb" for the official Wolfram Language extension.
• The .wlnb and .vsnb formats are functionally identical and differ only in their file extension to match their respective VS Code extensions.
• Some complex or highly customized Mathematica notebook features might not be perfectly translated.
• The package includes a fix for a known ExportString bug that can affect the rendering of TeX fragments containing $.

Screenshot

Inspiration

This package was inspired by the approach described in Converting Wolfram Notebooks to Markdown.