JSONToTable

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How to Convert HTML to TSX - Step by Step Guide

Step 1

Input Your HTML Code

Get your HTML ready for conversion to TSX! Whether you're migrating HTML templates to TypeScript React, converting components, or building type-safe components, you have several convenient options:

•
Paste directly: Copy your HTML code and paste it into the input editor
•
Upload a file: Click "Upload" to select an .html, .htm, or .txt file from your computer
•
Try the sample: Click "Sample" to load example HTML and see the TSX conversion

Example: HTML Input

Standard HTML markup:

<div class="card">
  <h2 class="title">Hello World</h2>
  <button onclick="handleClick()">Click Me</button>
</div>
Step 2

Automatic Conversion to TSX

Watch the magic happen instantly! The converter automatically transforms HTML attributes to TSX-compatible format:

•
class → className: Converts HTML class attribute to React className
•
style → style object: Converts inline styles to JavaScript objects
•
Event handlers: onclick="handleClick()" becomes an arrow function on onClick, so the attribute type-checks
•
Self-closing tags: Automatically adds / to img, input, br, hr tags

Example: TSX Output

The same code, converted to TSX:

<div className="card">
  <h2 className="title">
    Hello World
  </h2>
  <button onClick={() => { handleClick(); }}>
    Click Me
  </button>
</div>
Step 3

Copy or Download TSX

Get your converted TSX code ready for use in your TypeScript React project:

•
Copy to clipboard: One-click copying for quick pasting into your IDE
•
Download as .tsx file: Save the converted code as a TypeScript file
•
Further formatting: Use the TSX Formatter to beautify your code

Frequently Asked Questions

What is the difference between HTML and TSX?

TSX is TypeScript's version of JSX, used in React with full type safety. Unlike HTML, TSX uses className instead of class, camelCase event handlers (onClick vs onclick), style objects instead of strings, and self-closing tags for elements like img and input.

Can I convert Bootstrap HTML to TSX?

Yes. Class names from Bootstrap, Tailwind or any other CSS framework are copied into className exactly as written. Attributes JSX can't spell, like Alpine's x-on:click or Vue's :class, are kept in a spread object so the file still compiles, although React itself drops attribute names that start with @.

Does the converter handle inline styles?

Absolutely! Inline styles are automatically converted from string format to JavaScript objects. For example, style="color: red; font-size: 16px" becomes style={{ color: 'red', fontSize: '16px' }}, with proper camelCase conversion.

What attributes does it convert automatically?

The converter automatically transforms: class to className, for to htmlFor, tabindex to tabIndex, onclick to onClick, readonly to readOnly, maxlength to maxLength, colspan to colSpan, and 20+ other HTML attributes to TSX-compatible format.

Will my converted TSX work immediately in TypeScript React?

The markup is written to type-check as the body of a component's return statement: several top-level elements go in a fragment, numbers like tabIndex become real numbers, and inputs get defaultValue and defaultChecked so they stay editable. What it can't do is write the functions your inline handlers call, such as handleSubmit(), or split the markup into props and state. For different line breaks, run the result through the TSX Formatter.

Is the HTML to TSX converter free?

Yes, it's free and there's nothing to sign up for. The conversion runs in your browser, so the HTML you paste or upload isn't sent to a server. Very large files are limited only by what your browser can hold in memory.

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