New plugin: MarkTone auto-matches Markdown Preview to your active JetBrains theme

IDEs

I built a small JetBrains plugin called MarkTone to solve a problem that kept bugging me: Markdown Preview often looks out of sync with the editor theme.

MarkTone:

- Reads your active IDE theme colors + typography

- Generates and applies Markdown preview CSS automatically

- Re-syncs when you switch themes (no manual CSS editing)

- Includes 2 profiles: Minimal and Expressive

- Supports optional custom CSS overrides

It currently supports JetBrains IDEs on 2025.2+.

Marketplace: https://plugins.jetbrains.com/plugin/30278-marktone

GitHub: https://github.com/marzmesas/MarkTone

If you try it, I’d really appreciate feedback on readability, theme compatibility, and any edge cases.

Posted Feb 26, 2026, 8:01 AM UTC

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