Can I upload Markdown files?

Yes. Drag & drop or use the Upload button to load .md files into the editor.

Yes. The preview is sanitized to remove unsafe HTML while preserving common formatting through rehype-sanitize.

Does my Markdown leave my browser?

No. All editing and rendering happen locally in your browser; nothing is uploaded to our servers.

Free Browser Tool

Markdown Viewer

Paste, type, drag & drop, or upload Markdown files and preview a sanitized, GitHub-flavored rendering instantly in your browser.

Live preview

File upload & drag/drop

GFM support

Editor

Drop a markdown file anywhere in this box to load it.

Preview

Welcome to Markdown Viewer

Type or paste your markdown here.

How to Use

Open the editor

Type, paste, or drop an .md file into the editor on the left to render the preview.

Sanitized Preview

The preview is sanitized to remove unsafe content while preserving common Markdown features.

Why use Markdown Viewer

Quickly preview Markdown without leaving your browser. The viewer supports GitHub Flavored Markdown (tables, task lists, strikethrough) and sanitizes output to protect against unsafe HTML.

Common Uses

Preview README.md files before publishing.
Draft blog posts with live rendering.
Share sanitized previews without server uploads.

SEO & Accessibility

Pages use descriptive metadata, canonical URLs, and structured FAQ data to help search engines understand the content. The preview uses semantic HTML for better accessibility.

Browser-Based Privacy

All Markdown processing happens locally in your browser. Your content never leaves your device — no server uploads, no tracking, 100% private.

GitHub Flavored Markdown

Full support for tables, task lists, strikethrough, and other GFM extensions. The preview is sanitized to prevent XSS while preserving all safe formatting.