Best for
- Technical documentation
- GitHub README creation
- Academic and scientific writing
- Blog post drafting
Privacy
Everything stays in your browser. Images are converted to Base64 locally, and text is never sent to a server.
Quick tips
- Use Mermaid.js syntax to create flowcharts and diagrams.
- Use $ and $$ for LaTeX math formulas.
- Switch to Focus Mode to remove distractions.
- Switch to Dark Mode in the preview for better nighttime writing.
How to use this tool
- Paste or type your Markdown in the editor.
- Use the smart toolbar for quick formatting or just use Markdown syntax.
- Paste images directly from your clipboard for instant Base64 embedding.
- Review diagrams and math in the real-time preview.
- Export your work as HTML, Markdown, or a .md file.
Common questions
Does this tool support Mermaid diagrams?
Yes! You can write Mermaid code blocks and see them rendered as diagrams in the preview.
How do I add images without uploading files?
Simply copy an image from anywhere (web, screenshot, file) and paste it (Ctrl+V) directly into the editor. We will automatically convert it to a Base64 string.
Is my data safe?
Yes, the entire application runs locally in your browser. No data is transmitted to our servers.
Can I use LaTeX math?
Yes, using KaTeX support. Use single $ for inline math and double $$ for block math.