HTML Viewer
Live HTML Preview & Beautifier
Enter HTML markup in the editor and watch the rendered result update instantly. This free online HTML viewer and beautifier is ideal for web developers, designers, and content teams who need a quick way to inspect and preview markup in-browser.
HTML editor and live preview
Rendered HTML
About HTML Viewer
This free online HTML viewer tool provides a fast, reliable way to preview and validate your HTML code. Paste your HTML markup to instantly see how it will appear in a browser without sending it anywhere. Designed specifically for web developers, this utility highlights syntax errors in real time to accelerate your debugging workflow. Optimize your development process today with this privacy-focused developer utility built for seamless code management.
Common use cases
- Preview snippets, templates, and landing page markup before publishing.
- Beautify and inspect HTML structure for better readability and debugging.
- Test layout ideas safely inside the browser without uploading content.
How it Works
This tool renders HTML locally inside a safe browser frame and formats your markup for readability without sending it anywhere.
Helpful tips
Use the preview pane to confirm that markup renders the way you expect, and format the code before sharing it to make the structure easier to review.
Why developers use this page
- Preview snippets, templates, and custom markup before publishing content to a website.
- Inspect layout structure and check how HTML will render without uploading files.
- Format messy markup quickly when updating landing pages, emails, or documentation.
Related terms
Step-by-step Instructions
- Paste or type HTML markup into the editor.
- Use the format, minify, or clear actions to adjust the code.
- View the rendered preview and download your HTML file if desired.
FAQ
Is the preview safe?
Yes. The HTML renders in an isolated iframe and does not send your content to a server.
Can I use this for snippets?
Yes. You can edit, format, and download HTML snippets directly from the browser.
Does this tool work offline?
Yes. After page load, rendering and formatting happen entirely in-browser.
Privacy-First Guarantee: We do not store your HTML or preview data on our servers.