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Preview of Onyx Notes - Markdown Editor

Onyx Notes - Markdown Editor by Spirit of Star

A note-taking application with Markdown support, live preview, code highlighting, Mermaid diagrams, LaTeX support, and mindmapping to enhancing your productivity

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Sharpen your thinking, Reclaim your mind
About this extension
Onyx is Extension that allows user to write markdown notes and export them, Onyx gives user capability to express their innermost thoughts into their personal second brain. Onyx aims to bring productive way to write notes.
Developer comments
Onyx features LaTeX, Markdown and Mermaid Diagram Support
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Permissions and data

Required permissions:

  • Input data to the clipboard
  • Access browser tabs

Optional permissions:

  • Access your data for all web sites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
2.6
Size
2.8 MB
Last updated
2 months ago (18 Jun 2026)
Version History
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