Formatters
HTML Formatter
Tired of messy HTML code? Our free online HTML formatter instantly cleans up your markup, making it easier to understand and maintain while ensuring consistent indentation.
Input
Output
Indentation:
Tired of messy HTML code? Our free online HTML formatter instantly cleans up your markup, making it easier to understand and maintain while ensuring consistent indentation.
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Tip
Combine your formatter with a linter to catch accessibility issues and unclosed tags early.
Did You Know?
The first version of HTML was written by Tim Berners-Lee in 1990 and contained only 18 tags.
HTML (HyperText Markup Language) is the standard language used to create the structure of web pages. It uses a series of elements and tags to tell a browser how to display content. As projects scale, HTML files often become cluttered due to manual editing or copy-pasting. Formatting is critical because it reveals the parent-child relationships of elements, making the code more accessible and easier for developers to manage.
Best Practice
Use semantic HTML tags like <main> and <article> to improve SEO and screen reader accessibility.
To maintain high standards, consider using editor extensions like Prettier or Emmet for VS Code. For team environments, integrate an HTML linter into your CI/CD pipeline to enforce style guides automatically. You can also use this online tool for quick fixes, code reviews, or when working on systems without your local development environment set up.
Q: Is my code safe when using this tool? A: Yes, our HTML formatter processes your code locally in your browser; your data is never stored on our servers.
Q: Does this tool validate HTML syntax? A: While primarily a formatter, it helps reveal syntax errors by showing where indentation breaks due to unclosed tags.
Q: Can I format HTML with embedded CSS or JS? A: Yes, the tool handles style and script tags within your HTML document efficiently.
Q: Is there a limit to the file size? A: There is no strict limit, though extremely large files may take slightly longer to process depending on your browser's speed.