Free online HTML viewerwith instant live preview

Paste HTML, CSS, or JavaScript code on the left and see the rendered page instantly on the right. Open local HTML files, inspect code side-by-side, and share the live preview as a link, QR code, image, or PDF.

No signup requiredInstant live renderingShare as Link, QR, PNG or PDF
Developer & Agent Integration

Share HTML directly from Claude Code, Codex, or Cursor

Install the ViewHTML Share Skill to let your coding agent automatically preview and publish standalone HTML pages.

Documentation

Online HTML Viewer

A powerful, free HTML viewer for instant preview and easy sharing

ViewHTML is an in-browser HTML viewer built to preview, test, and render HTML code and local files side by side with zero setup. Easily export or share the live rendered page when you need it.

Fast HTML viewer preview

Edit HTML on the left and see the rendered result on the right, perfect for quick code checks, prototypes, and snippets.

CSS and JavaScript execution

Run HTML with inline styles and scripts to test interactive behavior and visual design without setting up a local server.

Share live preview links

Generate a shareable preview URL or QR code so clients or teammates can view the rendered HTML directly in their browser.

Export to PNG and PDF

Save the current HTML preview as a downloadable PDF or high-resolution PNG image for tickets, documentation, and handoffs.

How it works

How to use this online HTML viewer in three steps

01

Input HTML

Paste HTML code directly or upload an .html or .htm file.

02

Inspect preview

The browser viewer renders your page instantly on the right with live updates.

03

Share or export

Generate a shareable preview link, QR code, PNG image, or PDF document in one click.

Use cases

Common online HTML viewer scenarios

One focused HTML viewer for coding, testing, debugging, and sharing.

View HTML code online in a live browser preview
Open local .html and .htm files without a text editor
Preview AI-generated HTML snippets from ChatGPT, Claude, or Codex
Test responsive layouts and inspect CSS/JS styling
Share an interactive HTML preview link with teammates
Save the rendered preview as a PDF document or PNG screenshot

FAQ

Frequently asked questions

What is an HTML viewer?

An HTML viewer is a browser-based tool that interprets and renders HTML, CSS, and JavaScript code into a visual webpage in real time. ViewHTML provides a live side-by-side HTML viewer so you can inspect code and output simultaneously without setting up a local server.

How do I use this online HTML viewer?

Simply paste your HTML code into the editor or upload an .html/.htm file using the HTML File tab. The viewer instantly renders the page in the live preview pane on the right.

Can I open and view local HTML files in this viewer?

Yes. Click the HTML File tab to select or drag and drop any local .html or .htm file. The viewer loads and renders the document directly in your browser.

Is this HTML viewer free and safe to use?

Yes, ViewHTML is completely free. Your HTML code is rendered in an isolated browser sandbox on your device, ensuring safe and secure previewing for snippets, prototypes, and sensitive code.

Does this HTML viewer support CSS and JavaScript?

Yes. ViewHTML fully supports HTML with inline or embedded CSS and JavaScript, allowing you to test interactive components, animations, and scripts.

Can I convert HTML to PDF, image, or a preview link?

Yes. Choose PDF, Image, or Link, and ViewHTML generates a clean downloadable file or a shareable preview link instantly.