jupyter_highlight_selected_word
Jupyter notebook extension that enables highlighting every instance of the current word in the notebook.
Decision gist · record as of 2026-08-14
No. The package is abandoned—no updates since 2018 and no commits since 2019. While it has low install friction and no dependencies, it is unlikely to work reliably with modern Jupyter versions and will not receive fixes for compatibility issues or bugs. Consider alternatives that are actively maintained.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Jupyter notebook to be installed; extension must be installed and enabled before use in notebooks.
- Low install friction with no runtime dependencies.
- However, the package is abandoned—last release was 2018-04-07 and last commit 2019-09-30—so it may not work with recent Jupyter versions or receive bug fixes.
License · maintenance · safety
BSD (permissive) — BSD license is permissive, allowing commercial and private use with minimal restrictions.
last release 2018-04-07 (3051 days) · last repo commit 2019-09-30 · 62 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 768,666 downloads/mo, #5,111 on PyPI
Alternatives
Verify before relying
pip install jupyter_highlight_selected_word
jupyter nbextension install --py jupyter_highlight_selected_word
jupyter nbextension enable highlight_selected_word/main- Compatibility with Jupyter versions released after 2019; the package has not been updated in over 6 years.
- Whether the extension works with JupyterLab or only classic Jupyter notebook.
- Current state of the CodeMirror integration it depends on.
What it is and what it does
jupyter_highlight_selected_word is a Jupyter notebook extension that automatically highlights all instances of any word you select in the notebook editor. When you click on or select a word, the extension finds and visually marks every occurrence of that word, either within the current cell or across all cells in the notebook, depending on your configuration.
The extension is based on CodeMirror's Match Highlighter addon but extends it to work across multiple cell editors in a notebook. It offers many configuration options—highlight color, scope (single cell or all cells), outline-only highlighting, minimum character thresholds, keyboard shortcuts, and performance tuning for large notebooks. Configuration is managed through the notebook config system and can be adjusted via the jupyter_nbextensions_configurator UI or programmatically.
Use it for
- Quickly locate all uses of a variable or function name across multiple cells while writing or debugging code.
- Visually track where a specific term or identifier appears throughout a long notebook to understand data flow.
- Configure outline-only highlighting to distinguish the selected word from its matches in the editor.
- Improve readability by limiting highlighting to code cells only, ignoring Markdown or raw cells.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
No.
The package is abandoned—no updates since 2018 and no commits since 2019. While it has low install friction and no dependencies, it is unlikely to work reliably with modern Jupyter versions and will not receive fixes for compatibility issues or bugs. Consider alternatives that are actively maintained.
Install
jupyter-highlight-selected-word on PyPI
Before you install
Low install friction with no runtime dependencies. However, the package is abandoned—last release was 2018-04-07 and last commit 2019-09-30—so it may not work with recent Jupyter versions or receive bug fixes.
Requires Jupyter notebook to be installed; extension must be installed and enabled before use in notebooks.
License in practice
BSD license is permissive, allowing commercial and private use with minimal restrictions.
Quickstart
pip install jupyter_highlight_selected_word
jupyter nbextension install --py jupyter_highlight_selected_word
jupyter nbextension enable highlight_selected_word/mainVerify before relying
- Compatibility with Jupyter versions released after 2019; the package has not been updated in over 6 years.
- Whether the extension works with JupyterLab or only classic Jupyter notebook.
- Current state of the CodeMirror integration it depends on.
Package facts
| License | BSD permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Abandoned 3,051 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 768,666 / month, #5,111 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: jupyter_highlight_selected_word-0.2.0-py2.py3-none-any.whl
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See also jupyter-nbextensions-configurator · jupyter-contrib-nbextensions · jupyter-contrib-core · nbval · jupyterlab-pygments · nbsphinx · jupyterlab-execute-time · jupyterlab_notebook_awareness · jupyter-black · nbzip