JsonifyTools

    HTML Viewer

    Preview, format, and visualize your HTML code with live rendering

    HTML Input
    Ln 1, Col 1Spaces: 2UTF-8HTML

    Live preview will appear here

    Paste HTML to see live preview•Switch between Preview and Code view
    HTML Developer Tool

    HTML Viewer Online for Fast Preview, Formatting, and Debugging

    Paste HTML code, beautify markup, open local files, inspect highlighted source, and preview rendered output in one secure browser-based workspace.

    Instant Rendering

    See HTML output as soon as you paste or edit markup.

    Clean Formatting

    Turn compressed source into readable, indented code.

    Code Inspection

    Review tags, attributes, nesting, and inline styles clearly.

    Private Workflow

    Keep snippets local while testing sensitive page sections.

    Copyable HTML Example

    Test the HTML viewer with a real page snippet

    Use this sample product card to try live preview, source highlighting, formatting, file download, and screenshot capture. It includes semantic HTML, inline CSS, and visible content.

    product-card.htmlHTML Preview Source
    <!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Product Card</title>
    <style>
      body { font-family: Arial, sans-serif; background: #f7f7fb; }
      .card { max-width: 360px; margin: 48px auto; padding: 24px; background: white; border-radius: 12px; }
      .price { color: #2563eb; font-weight: 700; }
    </style>
  </head>
  <body>
    <article class="card">
      <h1>Studio Headphones</h1>
      <p>Clear sound, soft cushions, and all-day comfort.</p>
      <p class="price">$129</p>
      <button>Add to cart</button>
    </article>
  </body>
</html>
    What This HTML Viewer Does

    This online HTML Viewer acts as a lightweight HTML editor, formatter, source viewer, and live renderer. It is built for developers, QA testers, students, content teams, and anyone who needs to inspect how raw HTML becomes a visible web page.

    Why Use an Online HTML Preview Tool

    Saving files, switching tabs, and refreshing a browser is slow when you only need to check a snippet. An HTML preview tool shortens that loop by letting you paste, edit, format, and visually test markup from the same screen.

    How to use the HTML Viewer online

    1

    Paste or Upload

    Paste your HTML code into the editor or open a local .html file from your device.

    2

    Preview and Format

    Use the live preview to render output, then beautify the source for easier reading.

    3

    Search or Export

    Find text, inspect code view, copy the result, download a file, or save a screenshot.

    HTML Viewer Features for Developers

    Everything you need for quick HTML viewing, source cleanup, visual testing, and snippet sharing from one browser-based tool.

    Live HTML Preview

    Render HTML instantly in a side-by-side preview pane so you can see layout, text, forms, and styling changes as you edit.

    HTML Formatter

    Beautify messy, compressed, or pasted HTML into a readable structure with consistent indentation and clear nesting.

    Search and Replace

    Find tags, classes, IDs, copy, or inline styles quickly using editor search controls built for real frontend work.

    Open Local Files

    Load .html and .htm files from your device and inspect them directly in the browser without installing software.

    Preview Screenshots

    Capture the rendered HTML output as a PNG when you need to share a design state or save a quick visual reference.

    Private Browser Tool

    Preview and format markup locally in your browser, which is helpful when working with unreleased pages or private templates.

    Common HTML Viewer Use Cases
    • Preview HTML snippets from a CMS, database field, API response, or documentation page.
    • Beautify minified HTML before code review, debugging, or refactoring.
    • Test email template sections, forms, tables, product cards, and landing page blocks.
    • Check how inline CSS affects a small HTML component without opening a full IDE.
    • Teach or learn HTML visually by editing tags and immediately seeing the result.
    • Capture screenshots of rendered snippets for tickets, QA notes, and design handoffs.
    HTML Viewer vs Browser Preview

    A normal browser is best for full websites, routing, production assets, and complete app testing. This HTML Viewer is best for fast snippet inspection, isolated HTML rendering, formatting, and quick visual checks before code enters a larger project.

    It is especially useful when you receive HTML from an API, email builder, CMS field, documentation block, or bug report and want to understand the output immediately.

    HTML Viewer Questions

    Quick answers about previewing, formatting, privacy, and common HTML workflows.

    An HTML Viewer is an online tool that renders raw HTML code into a live browser preview. It helps you inspect structure, test snippets, format markup, and debug layout changes without creating a local project.