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ViewHTML - Free Online HTML Viewer

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ViewHTML - Free Online HTML Viewer — HTML Viewer - Free Online HTML Viewer & Live Preview | ViewHTML

About ViewHTML - Free Online HTML Viewer

ViewHTML is a free online HTML viewer and live preview tool. Paste HTML code, open an .html file, or edit a snippet with CSS and JavaScript to see the rendered result instantly alongside the source. Share or export your work when ready.

Who it is for
Developers who preview, test, and share HTML, CSS, and JavaScript code, including AI-generated HTML.
Problem it solves
Checking the appearance of HTML often means creating a local project, opening files in a separate browser window, or switching repeatedly between code and output. That setup slows down quick checks, experiments, and reviews of generated snippets.
The solution
ViewHTML lets you paste or open HTML and immediately see a live rendered preview beside the code. It supports HTML, CSS, and JavaScript so you can inspect and refine the result in one place without setting up a separate project.
What makes it unique
A lightweight, browser-based viewer that brings code and live output together for quick HTML previews, including CSS and JavaScript, without requiring a local development setup.

Features

  • Free online HTML viewer with side-by-side preview

  • Open and view .html and .htm files

  • Live HTML code rendering with CSS and JavaScript

  • Share HTML viewer preview as a link or QR code

  • Export HTML preview as PNG image or PDF document

  • Fullscreen HTML preview mode

Details

Platforms
  • Web
Pricing
  • Free
Built for

Developers who preview, test, and share HTML, CSS, and JavaScript code, including AI-generated HTML.

Building since

2024

Technology

ViewHTML - Free Online HTML Viewer screenshot showing a free online HTML viewer

1 / 1
DR4 (primary model)
4

First DR4 reading

DR3
9

First DR3 reading

Model difference−5. DR4 is 5 points lower than DR3.

Measured · viewhtml.app

What do DR4, DR3 and the model difference mean?
DR4:
Ahrefs' newer model. It gives more weight to links from sites with organic search traffic and rates a subdomain on its own links.
DR3:
The previous model, shown in the Ahrefs app until 1 December 2026.
Model difference:
DR4 minus DR3 for the same domain. The models calculate differently, so this is not growth or a drop; the “since” lines compare each model with itself.

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