Markdown Viewer - MD File Reader Online
Open and preview MD files instantly in your browser — no install needed. Free online markdown viewer. Upload .md files or paste markdown to see live rendering with code highlighting and auto TOC.
Markdown Editor
Preview
Table of Contents
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What is this MD File Viewer?
A free online Markdown viewer that lets you open and preview MD files instantly in your browser — no install required. Upload any .md file or paste markdown to see it rendered with headings, code blocks, tables, and more.
How to Use
- Open Your MD File: Click the Upload File button or drag and drop your .md file onto the editor. You can also type or paste markdown directly.
- Check the Preview: The right panel shows the rendered result in real time. If headings are present, a table of contents is generated automatically.
- Use the Result: Copy the rendered HTML to your clipboard, or switch to Preview Only mode to read the document without distractions.
Features
- Live Preview: Preview updates instantly as you type
- Code Highlighting: Syntax highlighting for 100+ languages in code blocks
- Auto TOC: Headings are detected automatically to generate a clickable table of contents
- File Upload: Drag & drop or select a .md file to preview it instantly
Who is this for?
- Developers: Preview GitHub READMEs, API docs, and project documentation before committing
- Writers & Bloggers: Review blog drafts written in markdown before publishing
- Technical Writers: Quickly check md file contents without Obsidian, Notion, or VSCode
FAQ
How do I open an MD file?
No software needed — just click Upload File or drag your .md file onto this page to open it instantly in your browser.
Do I need to know markdown syntax?
No. Just upload your .md file and the viewer automatically renders headings, bold text, lists, code blocks, and tables for you.
Is my file uploaded to a server?
No. Everything is processed locally in your browser. Your files are never sent to any external server, so private documents are completely safe.