Markdown Editor & Previewer

Markdown Editor

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About This Tool

The Markdown Editor & Previewer is a powerful real-time tool that lets developers write and preview Markdown instantly. With GitHub Flavored Markdown (GFM) support, syntax highlighting, and live rendering, you can see exactly how your content will look on GitHub, GitLab, or other platforms before publishing—perfect for README files, documentation, and blog posts.

Key Features

  • •Real-Time Preview: See rendered output instantly as you type with split-pane interface
  • •GitHub Flavored Markdown: Full GFM support including tables, task lists, and strikethrough
  • •Syntax Highlighting: Automatic code highlighting for 100+ programming languages
  • •LaTeX Math Support: Render mathematical equations with inline ($) or block ($$) notation
  • •Formatting Toolbar: Quick-access buttons for headers, bold, italic, lists, links, and more
  • •Template Library: Pre-built templates for README, blog posts, documentation, and meeting notes
  • •Find & Replace: Search and replace text across your entire document
  • •Export Options: Download as Markdown (.md), HTML, or PDF
  • •Sync Scrolling: Automatically scroll preview pane to match editor position
  • •Character & Word Count: Live statistics displayed in toolbar
  • •Local Storage: Auto-save your work to prevent data loss
  • •Fullscreen Mode: Focus mode for distraction-free writing

Common Use Cases

  • •README Files: Draft GitHub README files with installation instructions, code examples, and badges before committing
  • •Technical Documentation: Create API docs, user guides, and tutorials with properly formatted code blocks and tables
  • •Blog Posts: Write technical blog posts for DEV.to, Hashnode, or Medium with proper Markdown formatting
  • •GitHub Issues/PRs: Compose detailed issue reports and pull request descriptions with task lists and code snippets
  • •Meeting Notes: Take structured notes with headers, bullet points, and action items in Markdown format
  • •Learning Markdown: Practice and master Markdown syntax with instant visual feedback

How to Use

  1. 1.Start typing Markdown in the left editor pane—the preview updates automatically on the right
  2. 2.Use the toolbar for quick formatting: click buttons to insert headers, bold, italic, lists, links, images, code blocks, and tables
  3. 3.Select a template from the dropdown to load pre-formatted content for README, blog post, documentation, or meeting notes
  4. 4.Add code blocks with triple backticks (```) and specify the language (e.g., ```javascript) for syntax highlighting
  5. 5.Create tables using pipes (|) to separate columns and dashes (---) for the header separator row
  6. 6.Use Find & Replace (Ctrl/Cmd+F) to search and modify text across your document
  7. 7.Toggle fullscreen mode for the editor or preview pane for focused writing or reading
  8. 8.Export your work as Markdown (.md), HTML, or PDF using the export button in the toolbar
  9. 9.Your content is auto-saved to local storage—come back anytime to continue editing

Whether you're a developer documenting code, a technical writer creating guides, or a blogger writing posts, the Markdown Editor & Previewer helps you write better Markdown faster. See exactly how your content will render on GitHub and other platforms before you publish, ensuring professional, well-formatted documentation every time.