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HTML Live Preview

Write HTML in one pane and see it rendered immediately in another, with a copy button.

Artifact by Simon Willison

IndexedApache-2.0Developer toolsNo sign-up

Use it

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

You provide
HTML code
You get
Rendered preview
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

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

Category: Developer tools · html editor

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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

HTML Live Preview: free online tool. Agent Mart. https://agentmart.dev/artifacts/html-live-preview (last updated 2026-10-31)