Plugins

First-party Nizel plugins add focused behavior without changing the core content pipeline.

Install the packages you need, register them in useNizel({ plugins }), and keep plugin behavior explicit at the call site.

Available Plugins

• Abbreviations - Abbreviation definitions.
• Alerts - GitHub-style callout blocks.
• Autolinks - Bare URL and email link behavior.
• Badge - Inline badges and status labels.
• Citations - Simple citation references and bibliography.
• Code Copy - Copy controls for code blocks.
• Definition Lists - Definition-list Markdown syntax.
• Details - Disclosure blocks.
• Diagrams - Mermaid diagram containers.
• Emoji - :name: emoji shortcuts outside code.
• Footnotes - Footnote references and definitions.
• Frontmatter UI - Metadata rendering helpers.
• GFM Preset - GFM-oriented companion plugin preset.
• Heading Anchors - Visible heading anchor links.
• Hidden Comments - Controlled Markdown HTML comment rendering.
• Keyboard Shortcuts - Semantic keyboard shortcut markup.
• Math - Inline and display math wrappers.
• Media - Figure and image enhancements.
• Open Icon - Inline SVG icons from the local Open Icon catalog.
• Print - Print and PDF layout controls.
• Sanitize - Output sanitizing.
• Shiki - Worker-compatible syntax highlighting integration.
• Task Lists - View-only or editable task-list checkboxes.
• Table of Contents - Rendered [[toc]].
• Typography - Mark, subscript, and superscript extensions.

For plugin authoring concepts and pipeline hook details, read the plugin guide.