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jupyter-themes brings theme management to classic Jupyter Notebooks with a command-line tool that can restyle the interface, code cells, and UI chrome in seconds. It ships a catalog of popular dark and light themes and lets you customize fonts, font sizes, cell widths, and toolbar visibility so the notebook matches your preferred reading and coding ergonomics. The theming system adjusts CodeMirror syntax highlighting to keep code legible against chosen backgrounds and provides options to harmonize matplotlib/plotly colors for cohesive visuals. Installation and usage are streamlined through a single jt command, with flags to set or preview themes and a built-in restore option to return to defaults. Because it modifies the Notebook’s CSS, the project focuses on lightweight overrides rather than invasive changes, minimizing breakage across notebook versions. It’s especially valued by power users who spend long hours in notebooks and want a consistent, eye-friendly environment.
Features
- Enables theme customization (colors, fonts, code styling) for Jupyter Notebook interface
- Provides a CLI tool (jt) for easy installation and theme application
- Supports resetting to default theme using jt -r command
- Installs via pip install jupyterthemes or conda install -c conda-forge jupyterthemes
- Includes multiple built-in theme options selectable via CLI flags
- MIT-licensed project with 9.8k stars and typical integration with data science workflows
Project Samples
