Drag & drop a Markdown file here
or
Supports .md, .markdown, .txt
Files are processed entirely in your browser. Nothing is uploaded to any server.
Enter Markdown
What Is the Markdown Previewer?
Markdown is a lightweight markup language that lets you format text with simple symbols like # and *. It is widely used on platforms such as GitHub, GitLab, Notion, and many static site generators.
This tool lets you upload a .md file or type Markdown directly and instantly see the rendered HTML preview in your browser. You can also copy the converted HTML with one click.
GFM (GitHub Flavored Markdown) Support
In addition to standard Markdown, this tool supports GFM extensions commonly used on GitHub.
| Feature | Syntax | Example |
|---|---|---|
| Tables | Pipe (|) delimited | | Col A | Col B | |
| Task lists | - [x] / - [ ] | Checkbox list items |
| Strikethrough | ~~text~~ | |
| Code blocks | ```language | Syntax-highlighted code |
Syntax Highlighting for Code Blocks
Supports syntax highlighting for major languages including JavaScript, Python, HTML, CSS, Shell, and more. Simply specify the language name in a fenced code block for automatic highlighting.
FAQ
- Q. What file formats are supported? — .md, .markdown, and .txt files. You can also paste Markdown directly into the text area.
- Q. Is there a file size limit? — No hard limit beyond browser memory constraints, but files under 5 MB are recommended.
- Q. Are images displayed? — Images referenced by URL will appear in the preview. Local file paths will not resolve.
- Q. Is it secure? — All processing happens in your browser. HTML output is sanitized with DOMPurify to prevent XSS attacks.
Safe, Browser-Based Processing
This tool runs entirely in your browser using JavaScript. Your Markdown files are never sent to any external server.
- No external API calls — works offline too
- No data storage or transmission — everything disappears when you close the tab
- No account required — just open the URL and start using it