Paste Markdown text or upload TXT/CSV files. Get clean, validated HTML output with live preview — no login, 100% private, free forever.
Click to upload or drag & drop a .txt or .csv file
.txt / .csv — max 5MB — one Markdown block per line or separated by---BLOCK---
---BLOCK--- on its own line. Each block becomes a separate HTML output.
Convert hundreds of Markdown blocks at once. Separate with ---BLOCK--- or upload a file.
See a rendered preview of your Markdown in real time as you type — no need to generate first.
Upload .txt or .csv files directly. Each line or block is processed and output separately.
Supports GitHub-Flavoured Markdown: tables, strikethrough, task lists, and fenced code blocks.
Download all converted HTML as a TXT or CSV file — ready to use in your CMS or codebase.
All conversion runs in your browser. Nothing is sent to any server — your data stays yours.
Type or paste your Markdown text in the input box, one block per section.
Upload a .txt or .csv file with Markdown content — supports up to 5MB.
Select full document or fragment mode, GFM support, and code highlight style.
Click Convert, then copy, download TXT or CSV — instantly ready for your project.
Markdown is a lightweight plain-text formatting language designed by John Gruber in 2004 that uses simple symbols — like # for headings, ** for bold, and - for lists — to structure content without the visual clutter of raw HTML. When you convert Markdown to HTML, each of these symbols is translated into corresponding HTML tags that web browsers understand and render beautifully.
For example, # My Heading becomes <h1>My Heading</h1>, **bold text** becomes <strong>bold text</strong>, and a Markdown link like [Click here](https://example.com) transforms into a fully functional anchor tag. This makes Markdown an extremely popular choice for writing technical documentation, README files on GitHub, blog posts, and content management systems.
The process of converting Markdown to HTML has many practical applications. Developers use it to write documentation that is stored in version control as plain text and rendered dynamically. Content teams write articles in Markdown editors like Notion or Obsidian and export them as HTML for web publishing. Static site generators such as Hugo, Jekyll, and Gatsby all parse Markdown files into HTML pages automatically during the build process.
GitHub-Flavoured Markdown (GFM) extends the original spec with advanced features including tables, fenced code blocks with syntax highlighting, strikethrough text, task checkboxes, and automatic URL linking — all of which our converter fully supports. Whether you are converting a single README or a hundred blog posts in bulk, our free online Markdown to HTML converter handles the job instantly, privately, and with a live preview so you see exactly what your output will look like before downloading.
Disclaimer: Markdown is a specification originated by Daring Fireball. GitHub-Flavoured Markdown (GFM) is a trademark of GitHub, Inc. This tool is independent and not affiliated with any of these organisations.
---BLOCK--- on its own line. Alternatively, upload a .txt or .csv file and each entry will be processed separately. Results are displayed with individual copy options.Discover our full suite of converter and AI-powered tools — all free, no signup.