Markdown Preview

About Markdown Preview

Markdown Preview renders your Markdown as formatted HTML live, side by side, as you type. It's perfect for checking README files, documentation, or notes before you publish them, with instant feedback on headings, lists, code blocks and links.

Preview Markdown files Use Markdown Preview online for Developer tasks with quick examples and copy-ready results.

How to use Markdown Preview

1. Open Markdown Preview on AltFTool — it loads instantly in your browser.
2. Add your code or data sample.
3. Choose the formatter, converter, or analyzer action.
4. Review the output and copy the final result.

Why use Markdown Preview

• Live rendering

  See formatted output update as you type.

• Full Markdown support

  Headings, lists, tables, code blocks and links.

• Local only

  Your text is rendered in the browser, never uploaded.

Common use cases

• Preview a GitHub README before committing it.
• Check formatting of docs or release notes.
• Draft Markdown notes and see the rendered result instantly.

Frequently asked questions

Does it support GitHub-flavored Markdown?

It renders common Markdown including tables, fenced code blocks and task lists.

Can I copy the rendered HTML?

Yes — use the output to grab the formatted result for pasting elsewhere.

Is my content stored?

No, everything is rendered locally in your browser.