NotebookLM Code Highlighter

Adds syntax highlighting to code blocks in NotebookLM

NotebookLM Code Highlighter transforms plain code blocks in Google's NotebookLM into beautifully formatted, syntax-highlighted snippets. FEATURES • Automatic language detection for 25+ programming languages • 6 color themes: GitHub, VS Code, and Atom One (light & dark variants) • Line numbers for easy reference • One-click copy button • Respects your system's light/dark mode preference • Adjustable max height for long code blocks HOW IT WORKS The extension automatically detects code blocks on notebooklm.google.com and applies syntax highlighting in real-time. You can manually override the detected language using the language picker, and your preference is remembered for that code block. PRIVACY This extension runs entirely in your browser. It does not collect, store, or transmit any user data. No analytics, no tracking, no ads. OPEN SOURCE View the source code and report issues on GitHub.