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Markdown Preview
Client-side Markdown editor: private, local AI & TTS
Markdown Preview is a free, client-side Markdown editor and live preview. Your documents never leave the browser; open sensitive drafts without uploading them to a server. Edit with on-device AI (Write, Rewrite, Proofread in supported Chrome), listen with local text-to-speech and word highlighting, and share compressed links that still process entirely on the client. Also: Mermaid diagrams, GitHub alerts, Present/Slides modes, and an installable offline PWA.
I built Markdown Preview because I kept pasting drafts into online Markdown viewers and didn’t love the idea of sensitive docs hitting someone else’s server. I wanted something that stays fully in the browser.
What it does:
• Live split-pane editor + preview. Nothing is uploaded for rendering
• Local AI text tools (Write / Rewrite / Proofread) on supported Chrome builds
• Local text-to-speech with word highlighting
• Mermaid, GitHub alerts, syntax highlighting, Present/Slides modes
• Shareable links (Markdown compressed into the URL hash, still client-side)
• Installable PWA. Works offline and can open .md files on Chromium desktop
Still rough: mobile layout, very long share links can get truncated by some apps, and the on-device AI menu only appears when Chrome exposes those APIs.
I’d love feedback, especially:
1. Would you trust this for private/work docs? What would make that clearer?
2. What’s missing before you’d bookmark or install it (export, more themes, better mobile, etc.)?
Thanks for checking it out! I’ll be around all day to reply.
About Markdown Preview on Product Hunt
“Client-side Markdown editor: private, local AI & TTS”
Markdown Preview was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #154 on the daily leaderboard. Markdown Preview is a free, client-side Markdown editor and live preview. Your documents never leave the browser; open sensitive drafts without uploading them to a server. Edit with on-device AI (Write, Rewrite, Proofread in supported Chrome), listen with local text-to-speech and word highlighting, and share compressed links that still process entirely on the client. Also: Mermaid diagrams, GitHub alerts, Present/Slides modes, and an installable offline PWA.
On the analytics side, Markdown Preview competes within Text Editors, Privacy, Artificial Intelligence and GitHub — topics that collectively have 551.3k followers on Product Hunt. The dashboard above tracks how Markdown Preview performed against the three products that launched closest to it on the same day.
Who hunted Markdown Preview?
Markdown Preview was hunted by Eric Perret. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Markdown Preview including community comment highlights and product details, visit the product overview.
Eric Perret