Online XML Validator

Verify an XML document is well-formed

Click the Select XML File button to select a file and click the Validate button. You can also simply paste your XML content into the Source XML box and click the Validate button. Note that your XML content will be processed locally on your browser. It won't be uploaded to our server.

Select XML File

Click here to select a XML file, or drag and drop a XML file into this box.

File size: 0 Bytes

Date modified:

Source XML:

Demo Data

Validate Clear

Validation result:

Save to File Copy to Clipboard

Options:

1. Allow boolean attributes