XML Formatter
An XML formatter makes hierarchical XML easier to inspect while parsing the document to catch basic well-formedness errors.
Quick answer
Validate and pretty-print XML with readable indentation in your browser. The core operation is designed for quick browser-based use without an account.
How to use this tool
- Paste xml
- Run the formatter
- And review parser errors or the formatted document.
Common errors and things to check
Well-formed XML requires matching tags, correct nesting, quoted attributes, and valid entity usage. XML namespaces can also affect application behavior even when the document is well formed.
Common use cases
- Inspecting API XML
- Reading configuration files
- Debugging XML responses
Privacy and local processing
Core processing for this tool is designed to happen in your browser. The page does not intentionally upload ordinary tool input to a DataToolBase server. Do not paste passwords, private keys, access tokens, personal data, or other sensitive secrets unless you have verified the security requirements for your use case.
Frequently asked questions
Does formatting validate XML?
The tool parses the XML while formatting, so basic well-formedness errors are surfaced.
Does it change XML data?
It primarily changes whitespace/indentation; review output when whitespace is significant to your application.