Markdown Portal Logo
MarkdownPortal
Open Editor
Editors & Viewers

Markdown Previewer & File Viewer

Preview Markdown files with GitHub styling. Includes automatic document outline, reading time estimator, character count, and quick HTML export.

Client-Side PrivateNo Limits • 100% Free
1 min read0 words0 characters0 headings
Click to Edit or Paste Raw Markdown Source
GitHub Styled PreviewCommonMark + GFM

Simple Workflow

How to Use the Markdown Previewer / Viewer

Get instant, accurate results in three simple steps without uploading files to remote servers.

01

Upload or Paste .md

Drag and drop any Markdown file (.md, .markdown) or paste raw text.

02

Explore Document Preview

Browse the rendered content with GitHub styling and interact with the table of contents sidebar.

03

Inspect Stats or Print

Review word count, estimated reading duration, or print/export the styled preview.

Key Highlights

Why Use Our Markdown Previewer / Viewer?

Engineered for developers, technical writers, and content creators needing speed, reliability, and security.

GitHub-Flavored Markdown

Accurate rendering matching GitHub styling for code blocks, task checkboxes, tables, and alerts.

Automated Document Outline

Auto-generates a clickable jump-to navigation menu based on document heading levels.

Drag & Drop File Support

Quickly preview README.md, CHANGELOG.md, or project documentation files without local editor tools.

Detailed Reading Stats

Calculates reading time, word count, character count, and paragraph metrics automatically.

Frequently Asked Questions

Common Questions About Markdown Previewer / Viewer

Can I open a local README.md file directly?
Yes, just click "Upload .md File" or drag and drop your file into the window to preview it immediately.
Are checkbox task lists interactive in preview mode?
The preview displays GitHub-style task checkboxes `[x]` and `[ ]` formatted neatly.
Does this tool work on mobile devices?
Yes, the previewer is fully responsive and allows you to view documentation easily on smartphones and tablets.

More Tools

Related Markdown Tools

Explore All Tools →
Copied to clipboard!