XML Formatter, Minifier & Validator
Local ProcessingPretty-print or minify XML and check that it is well-formed.
How It Works & Processing Standards
Pretty-print or minify XML and check that it is well-formed.
Tool processing runs in your browser. If you create a calculator or conversion share link, its values are included in the URL. See the privacy policy for account, analytics and advertising data.
Current Limits
- Desktop max file size: 50MB
- Mobile max file size: 20MB
Choose format, minify or validate under "Task". Use it to read one-line XML responses or find a tag that was never closed.
What You Can Do
- Format
- One element per line, indented by two spaces.
- Minify
- Removes whitespace between tags.
- Validate
- Checks tag pairs and attributes and reports the line of an error.
How to Use XML Formatter, Minifier & Validator
- 1Choose a taskFormat, minify or validate.
- 2Paste XMLPaste the XML.
- 3Read the resultCopy it or see the error position.
Examples
Format
Input: <a><b>1</b><c>2</c></a>
Result: <a>
<b>1</b>
<c>2</c>
</a>
Unclosed tag
Input: <a><b></a>
Result: ✗ Invalid (line 1)
Common Use Cases
- Reading SOAP or RSS responses comfortably
- Checking the syntax of sitemap.xml or XML config
Frequently Asked Questions (FAQ)
Does it validate against a schema (XSD)?
No. It only checks that the XML is well-formed; element names and order are not validated.