5 Ways to Encode URLs in JavaScript
Learn 5 different ways to encode URLs in JavaScript with built-in functions and practical examples.
Mar 07, 2026
Convert HTML markup to JSX for React components with automatic attribute mapping and self-closing tags.
HTML to JSX conversion is the process of transforming standard HTML markup into JSX syntax used by React. While HTML and JSX look similar, there are key differences: class becomes className, style attributes become JavaScript objects, self-closing tags must end with />, and inline event handlers use camelCase (onclick → onClick).
This tool runs entirely in your browser. No data is sent to any server.
Many HTML attributes have JSX equivalents: class → className, for → htmlFor, tabindex → tabIndex, maxlength → maxLength, readonly → readOnly, autofocus → autoFocus, autocomplete → autoComplete, and more.
The inline class="page_speed_9" attribute is converted to a JavaScript object: style={{property: 'value'}}. CSS property names are converted from kebab-case to camelCase (e.g., background-color → backgroundColor).
In JSX, void elements like <br>, <hr>, <img>, <input>, and <meta> must be self-closed: <br />, <hr />. The converter handles this automatically.
React components must return a single root element. Fragments (<>...</>) let you group multiple elements without adding extra DOM nodes. Enable "Wrap in fragment" to wrap multiple top-level elements automatically.
Blog
Learn 5 different ways to encode URLs in JavaScript with built-in functions and practical examples.
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