Markdown viewer

Free Online Markdown Viewer

Paste any Markdown, a README file, an AI answer, meeting notes, blog drafts and obtain a clean, faithful preview with tables, code highlighting, and Mermaid diagrams. Everything runs locally in your browser.

Loading the Markdown viewer...

Preview Markdown in 3 steps

Three pastes from a clean, faithful preview — no install, no signup.

1
Paste your Markdown
Drop a README, AI answer, blog draft, or any .md content into the input pane on the left.
2
See the live preview
Fude renders the document instantly with GFM tables, syntax-highlighted code blocks, and Mermaid diagrams.
3
Copy or share — your text stays local
Nothing is uploaded. Close the tab and your Markdown is gone. No account, no logging.

Built on the Fude reader

Same engine as the desktop app — privacy and rendering you can rely on.

Faithful Markdown rendering

Same engine as the Fude desktop reader: GFM tables, Shiki-highlighted code blocks, and native Mermaid diagrams, no surprises between preview and reality.

Private by default

Your Markdown is rendered locally in this browser tab. Nothing is uploaded, logged, or stored. No account, no analytics on your content.

Ready for serious libraries

The Fude desktop app adds local files, projects, themes, split view, and multi-device sync, for everyone who reads Markdown every day.

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Perfect for

From READMEs to lecture notes, the Markdown viewer fits anywhere Markdown lives.

Developers checking READMEs

Preview README.md before pushing to GitHub, GitLab, or your internal docs site.

Writers proofing drafts

See how your blog post or article will render before publishing.

AI users reading model output

Paste ChatGPT, Claude, or Gemini answers and read them with proper formatting.

Students and note-takers

Render lecture notes, study guides, or shared documents with consistent typography.

The reading comfort your notes deserve.

Keep your writing workflow. Leave the reading to Fude.

Coming soon

Frequently asked questions

Yes, the online viewer is completely free with no signup, no account, and no upload. It runs entirely in your browser tab.

GitHub-flavored Markdown (GFM): tables, task lists, fenced code blocks with Shiki syntax highlighting, and Mermaid diagrams. Raw HTML is sanitized for safety.

No. The viewer renders your content locally in the browser. Nothing leaves the tab, close it and your Markdown is gone.

Once the page is loaded, yes, rendering is local. For a real offline-first reading experience across many files, try the Fude desktop app.

Yes. The viewer is responsive: editor and preview stack on phones and tablets so you can read or proofread Markdown on any screen.