DeveloperLocal processing
XML Formatter
Auto-indent with syntax validation
XML input
Formatted output
<?xml version="1.0" encoding="UTF-8"?>
<root>
<item id="1">
<name>示例</name>
</item>
</root>
About This Tool
XML Formatter is a free online tool. Beautify and validate XML All processing runs locally in your browser — files are never uploaded to any server, keeping your data private.
Use Cases
- Format JSON, YAML, TOML, SQL, and XML for API debugging
- Encoding, hashing, JWT decode, AES crypto, and security tasks
- Regex, JSONPath, IP, Cron, and other developer utilities
- Run locally — configs and secrets never leave your device
How to Use
- Step 1
Paste XML
- Step 2
Auto-format
- Step 3
Check validation
- Step 4
Copy with one click
Frequently Asked Questions
- Is XML Formatter free?
- Yes, completely free with no registration required and no usage limits.
- Are my files uploaded to a server?
- No. XML Formatter processes everything locally in your browser. Your data never leaves your device or gets uploaded to any server.
- Which browsers are supported?
- Chrome, Firefox, Safari, Edge, and other modern browsers. We recommend using the latest version for the best experience.
- How do I use XML Formatter?
- 1. Paste XML 2. Auto-format 3. Check validation 4. Copy with one click