Markdown to HTML Converter & Previewer

Convert Markdown to clean, sanitized HTML with live rendered preview, code blocks, tables, and download.

Your tool input is processed locally in your browser and is not sent to our servers.

Safe Markdown to HTML Converter & Previewer

Markdown Source669 chars

Sanitized & Safe

Modern Web Utilities & Tools

Welcome to tools.nbsumit.com! This is a curated collection of fast, privacy-first online tools.

Key Features

100% Client-Side: All computations run in your browser.
Zero Server Uploads: Your data is not stored or logged.
Fast Performance: Instant output with zero network latency.

Markdown Table Example

Feature	Local Browser	Server Farm
Privacy	Complete	Low
Speed	Instant	Variable
Cost	Free	Subscriptions

Code Block

function calculateSum(a, b) {
  return a + b;
}

"Simplicity is the soul of efficiency." — Austin Freeman

What this tool does

Converts GitHub Flavored Markdown syntax (headings, bold, italic, lists, tables, blockquotes, code snippets, and links) into clean, XSS-sanitized HTML with live preview and code export.

How to use this tool

Type or paste your Markdown text into the editor on the left.
View the real-time rendered preview or inspect the generated raw HTML code on the right.
Click "Copy HTML" or "Download HTML" to export a complete HTML document.

Markdown Syntax Reference

# H1 | **bold** | *italic* | [text](url) | - List | ```code``` | | Table |

Markdown is a lightweight markup language designed for fast, human-readable document authoring.

Practical Examples

Documentation Snippet

Convert headings, bullet lists, and code blocks to HTML.

Input: ## Quick Start\n- Install\n- Run

Output: <h2 class="...">Quick Start</h2>\n<ul class="..."><li>Install</li>...</ul>

Frequently Asked Questions

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