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Dev tools · March 28, 2026

HTML Viewer Online

HTML Viewer with Bidirectional Highlighting

What it does

Free HTML viewer/editor with live preview and two-way code-to-preview mapping. Click code to find rendered elements, or click elements to jump to source. Includes formatting and concise explanations. No signup.

Does the same job

all alternatives →
  • CODECAST2015 · ▲254

    HTML & CSS editor in your browser with real-time previews

  • Quick Preview2024 · ▲113

    Copy/paste and test your HTML code in real-time.

  • AV
  • HTMLrev2023 · ▲214

    1000+ free HTML, Bootstrap, Tailwind templates

  • Hover Preview2024 · ▲119

    Preview your HTML elements on Hover VsCode

  • IH
    Instant HTML Preview Bookmarklet2024 · gist.github.com · ▲130

    Hey HN, I recently found myself needing a quick way to preview HTML and SVG code without having to copy it into an IDE, save it, and then open it in a browser. ChatGPT's new canvas feature is great for generating code, but it doesn't provide a way to preview HTML directly. To solve this, I made a small bookmarklet that allows you to instantly preview HTML from your clipboard in a new tab. Just copy your HTML, click the bookmarklet, and it will render immediately. It's a simple tool, but it’s saved me a lot of repetitive steps, and I figured it might help others too. The bookmarklet code and…

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