I kept bouncing between Markdown tools: one for quick previews, another for math, another for Mermaid diagrams, and none of them let me paste the result into Gmail or Google Docs without breaking the formatting. Most also wanted an account before I typed a single line. So I built Markdown Previ...

Source: [Dev.to](https://dev.to/jigs1996/i-built-a-free-private-markdown-editor-with-math-mermaid-diagrams-and-slides-dig)

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