Runs on your device

Markdown to HTML converter

This page converts Markdown to HTML without installing anything. Everything below explains what changes between the two formats so you know what to expect from the output.

Drop files here

Up to 20 files, 100.0 MB each. Conversion happens on your device — nothing is uploaded.

What is Markdown?

Markdown is plain text with a light, readable syntax for headings, lists, links and emphasis that converts cleanly into HTML.

Created by John Gruber in 2004; CommonMark standardised it in 2014.

  • Readable as-is, and diffs beautifully in version control
  • The native format of GitHub, static site generators and most docs tooling
  • Converts to HTML, PDF and DOCX without loss of structure

What is HTML?

HTML is the markup language of the web. Tags describe structure and semantics, and CSS controls how that structure is presented.

Invented by Tim Berners-Lee in 1993; HTML5 is the living standard.

  • Renders in any browser with full styling, links and media
  • Semantic structure that search engines and screen readers understand
  • Easy to embed, publish or email

Why convert Markdown to HTML?

  • HTML is the better fit for content published or embedded on the web, while Markdown is built for documentation, notes and content destined for the web.
  • It sidesteps the main drawback of Markdown: limited layout control — no columns, precise positioning or page breaks.
  • You gain renders in any browser with full styling, links and media.
  • Compatibility improves where it counts: Every browser and email client and All CMS platforms and static hosts.

Quality and file size after conversion

Both formats are lossless, so nothing is thrown away. The output is a byte-faithful representation of the input; only the container and the compression scheme change, which is why sizes differ while the content does not.

Compatibility

Markdown opens in GitHub, GitLab, Notion, Obsidian, Bear, Static site generators, documentation platforms and most note apps. HTML opens in Every browser and email client, All CMS platforms and static hosts.

If the file has to work for someone else, choose the format their software already understands rather than the one with the best specification.

Limitations to know about

  • Presentation depends on external CSS, fonts and assets
  • No fixed pagination, so printing is unpredictable

When to keep Markdown instead

Markdown is still the right choice for documentation, notes and content destined for the web. Keep the original alongside the converted copy whenever you might need to re-export at a different size or quality — conversion is quick, but recovering discarded detail is impossible.

How to convert Markdown to HTML

  1. 1

    Drag your Markdown file onto the drop zone above, or click to browse. Up to 20 files can be queued at once.

  2. 2

    HTML is already selected as the output format — change it in the dropdown if you need something else.

  3. 3

    Press Convert and watch the per-file progress bar.

  4. 4

    Download the HTML result, or grab everything as a single ZIP when you converted a batch.

Frequently asked questions

Is this Markdown to HTML converter free?

Yes. Every conversion on Convert Always is free, with no account, no watermark and no daily download cap. The site is funded by advertising rather than subscriptions.

Are my Markdown files uploaded to a server?

No. Markdown to HTML runs entirely inside your browser using WebAssembly, so the file never leaves your device. You can even disconnect from the internet after the page loads.

Will converting to HTML reduce the quality?

Both formats are lossless, so nothing is thrown away. The output is a byte-faithful representation of the input; only the container and the compression scheme change, which is why sizes differ while the content does not.

Can I convert several Markdown files at once?

Yes. Add up to 20 files to the queue, convert them in one pass and download the results individually or bundled into a single ZIP archive.

What is the maximum Markdown file size?

Files up to 100 MB each are accepted. Browser-side conversions are limited mainly by your device's memory, so very large video files convert faster on a desktop than on a phone.

Does it work on mobile?

Yes. The converter is built mobile-first and works in Safari and Chrome on phones and tablets. Heavy media conversions are slower on mobile hardware but still run locally.

See every documents conversion we support.

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