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Markdown to HTML via GitHub

Sends Markdown to GitHub's rendering API, shows a live preview and lets you copy the HTML or rich text.

Artifact by Simon Willison

IndexedApache-2.0Text & writingNo sign-up

Use it

Opens tools.simonwillison.net in a new tab. Nothing to install.

You provide
Markdown text
You get
Rendered HTML
Account
No sign-up needed
AI
No AI: a plain tool
Your input
Not stated: check the tool's privacy notes before using private data
Price
Free to use
Made with
AI-built app
Source
Open source
Link check
Answered on Oct 31, 2026

About

Markdown to HTML via GitHub is an AI-built single-page app in the text writing category (markdown to html). It opens in your browser, so there is nothing to install. You provide markdown text and get rendered HTML. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (simonw/tools).

Category: Text & writing · markdown to html

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Details

Auth
No auth
License
Apache-2.0
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Source
GitHub

More from Simon Willison

Cite this page

Markdown to HTML via GitHub: free online tool. Agent Mart. https://agentmart.dev/artifacts/markdown-to-html-via-github (last updated 2026-10-31)