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Open MD File Online

Free online MD viewer, Markdown editor, and Markdown converter. Open, view, edit, and convert .md Markdown files online — free, private, no signup. Export to PDF, HTML, or Markdown.

Drop your .md file here

Supported: .md, .markdown, .txt, .html — processed locally, never uploaded.

untitled.md 0 words · 0 characters · 0 lines

Nothing to preview yet.

Open a .md file, paste Markdown, or try the sample.

How to Open an MD File

Five steps, a few seconds, nothing installed.

Click “Choose MD File”

Or drag the file straight onto the dropzone at the top of this page. You can also paste Markdown text directly.

Select a .md or .markdown file

Plain .txt files with Markdown content work too, and .html files are converted to Markdown automatically.

View the rendered Markdown instantly

Headings, tables, task lists, images and syntax-highlighted code blocks render just like on GitHub.

Edit if needed

Use the split view to edit the Markdown source on the left and watch the live preview update on the right.

Save or export to PDF/HTML

Save the edited .md back to your disk, or export the document as PDF, HTML, standalone HTML, or plain text.

What Is an MD File?

An .md file is a Markdown file — plain text with lightweight formatting marks.

Markdown files are everywhere in modern work: README files in software projects, documentation, personal notes, blog drafts, AI prompts and exported chat transcripts, and developer docs of every kind. Because a .md file is plain text, it opens in any editor — but you only see the raw formatting marks like # heading and **bold**. A Markdown viewer renders those marks into a formatted document, the way GitHub renders a README.

MD Viewer Online

The fastest way to view MD online — no app, no account.

This md viewer opens Markdown files directly in your browser. There is nothing to install and no signup: drop a file to view md online in a clean, readable layout. Because it is a full markdown viewer online, it supports GitHub-flavored Markdown — tables, task lists, fenced code blocks with syntax highlighting, blockquotes, and images. If you just need to open md online once to read a README someone sent you, that works too: view it, optionally export a PDF, and close the tab. Nothing is stored or uploaded.

Markdown Editor with Live Preview

Split view: source on the left, rendered document on the right.

The editor is a real online markdown editor, not just a viewer. Type or edit Markdown on the left and the markdown live preview updates as you type. Switch to editor-only or preview-only mode, check the generated HTML in the raw view, and keep an eye on word, character and line counts in the status bar. Everything is processed locally in your browser — your text never leaves your device, and with Chrome or Edge you can save changes straight back to the original file.

Markdown Converter

Three converters, one tool — everything runs in your browser.

Markdown to PDF

Convert md to pdf in one click. Open your Markdown, press Export PDF, and download a print-quality PDF of the rendered document.

Markdown to HTML

Convert markdown to html — export a clean HTML file, or a standalone HTML file with inline CSS that looks right anywhere.

HTML to Markdown

Convert html to markdown: import an .html file or paste HTML, and get editable Markdown you can save as .md.

Privacy

Your Markdown files are processed locally in your browser and are not uploaded. There is no server that could read your documents — rendering, editing and every conversion happens on your device.

Read our privacy policy →

FAQ

How do I open an MD file?

Click “Choose MD File” at the top of this page, or drag your .md file onto the dropzone. The Markdown renders instantly in your browser — no signup, no install, no upload.

What app opens .md files?

Any text editor opens a .md file as plain text, but to see the formatted document you need a Markdown viewer. This page is a free one: it renders headings, tables, task lists and code blocks the way GitHub does.

Can I view MD files online?

Yes — that is exactly what this tool does. Drop a .md or .markdown file on this page to view it online immediately. The file is processed locally and never uploaded.

Can I edit Markdown online?

Yes. Use the split view: Markdown source on the left, live preview on the right. When you are done, save the result back as a .md file or export it.

Can I convert MD to PDF?

Yes. Open or paste your Markdown and click Export PDF. The rendered document is converted to a PDF in your browser; if PDF generation is unavailable, a print-friendly view opens instead.

Can I convert MD to HTML?

Yes. Export HTML produces a clean HTML file; Standalone HTML produces a self-contained file with inline CSS that you can send to anyone.

Can I convert HTML to Markdown?

Yes. Click Import HTML to convert an .html file, or use Paste Markdown → Convert HTML → Markdown for copied HTML. The result is editable Markdown you can save as .md.

Is this MD viewer private?

Yes. All viewing, editing and converting happens locally in your browser. Files are never transmitted anywhere — there is no backend that could receive them.

Does this work on Windows, Mac, Linux, iPhone, and Android?

Yes. It runs in any modern browser on any operating system. Saving directly back to the original file requires Chrome or Edge (File System Access API); other browsers download the saved file instead.

I searched for “viewe md online” — is this the right tool?

Yes. Whether you typed view md online, viewer md online or viewe md online, this tool opens Markdown files directly in your browser and lets you read, edit and convert them.