Online Code Formatter
Beautify and organize HTML, CSS, JavaScript, TypeScript, JSON and XML code in your browser.
About Online Code Formatter
This online code formatter helps developers organize source code into a consistent and readable layout. Select a supported language, paste your code and generate a formatted version.
Supported languages
- HTML: Formats HTML elements and document structure.
- CSS: Organizes selectors, declarations and style rules.
- JavaScript: Beautifies supported JavaScript syntax.
- TypeScript: Formats TypeScript source code.
- JSON: Validates and pretty-prints JSON data.
- XML: Formats well-formed XML documents.
How to use
- Select the programming or markup language.
- Paste your source code into the input editor.
- Choose indentation and formatting preferences.
- Click Format Code.
- Review, copy or download the formatted output.
Important information
JavaScript, TypeScript, HTML and CSS formatting uses Prettier loaded from a public CDN. An internet connection is needed to load the formatter. JSON and XML formatting use browser APIs. Invalid or incomplete code may produce a formatting error. Formatting does not guarantee that code is logically correct or safe to execute.
Privacy
Code formatting runs in your browser. The code is not intentionally uploaded to a server by this tool. The Prettier library is downloaded from its public CDN.