Online XML Formatter, Beautifier & Validator
Our free XML Formatter makes your XML readable and error-free in seconds. Paste or upload your XML, then format and validate—all with no data uploaded. InstantFormatter.com is trusted by developers, analysts, and QA engineers worldwide for privacy and speed.
Input
Output / Errors
What is XML?
XML (eXtensible Markup Language) is a standardized markup language used by web developers, software engineers, and businesses to transfer and store hierarchical data. It allows complex data structures to be read by computers and humans—making it vital for APIs, configurations, and more.
Why use an XML Formatter?
- Quickly fix broken or unreadable XML documents
- Instantly validate your XML against basic syntax errors
- Improve code readability for easier debugging and data verification
- No login, no API, fully private—your XML never leaves your browser
XML Formatter Features
- Paste, upload, or edit XML directly in your browser
- Beautifies your XML with 2-space indentation
- Highlights parsing errors and helps you fix mistakes
- One-click Download and Copy output
- Clear All button for productivity