Are you tired of XML parsing failures due to tiny, frustrating errors?
We’re thrilled to announce a massive upgrade to our XML Validator, introducing a suite of Comprehensive Checks designed not just to detect, but to automatically fix virtually all common XML structural issues before they ever cause a headache. This isn’t just a validator; it’s a powerful XML repair tool
Our new validator goes far beyond simple well-formedness checks. It proactively identifies and corrects common pitfalls in your XML files:
| Feature | Description & Fix |
| XML Declaration Position | Automatically moves the <?xml?> declaration to the very first line if it’s misplaced. |
| Unescaped Special Characters | Escapes forbidden characters like &, <, and > within text content (leaving tags and attributes untouched). |
| Mismatched Quotes | Corrects attributes with mixed or inconsistent quotes, turning attr='value" into a standard attr='value'. |
| Missing Attribute Values | Ensures attributes are complete by adding empty values, fixing attr= to attr="". |
| Duplicate Attributes | Cleans up elements by removing duplicate attributes on the same tag, keeping the first occurrence. |
| Whitespace in Tag Names | Removes invalid whitespace from tag names, correcting < tagname > to <tagname>. |
| Invalid Tag Name Characters | Detects and reports tag names that do not start with a letter as a structural error. |
| Empty Tag Names | Flags and reports completely empty tags like <> or </> as errors. |
| Improper Nesting Detection | Identifies and logs when tags are closed in the wrong order (e.g., <a><b></a></b>). |
| Unclosed Tags & Missing Closers | Enhancements to existing checks, now intelligently adding missing closing tags in the proper, balanced order. |
How It Works: The Seven-Pass Repair Engine
This magic is powered by a new, sophisticated architecture that runs a series of sequential fix passes before the final validation. This multi-stage approach ensures that fundamental errors are resolved first, preventing cascade failures and allowing the later passes to handle complex balancing:
- Pass 0: XML Declaration Positioning (Getting the preamble right).
- Pass 1: Special Character Escaping (Ensuring valid content).
- Pass 2: Quote Matching (Standardizing attribute format).
- Pass 3: Attribute Values (Completing attribute definitions).
- Pass 4: Duplicate Attributes (De-duplicating element properties).
- Pass 5: Whitespace & Tag Name Validation (Correcting tag structure).
- Pass 6: Unclosed Tags (Identifying and closing open elements).
- Pass 7: Tag Balancing & Nesting (The final structural integrity check).
Every single fix is meticulously logged in the results panel, complete with line numbers and clear descriptions. You’ll know exactly what was changed and why!
The Result: Near-Perfect XML, Every Time!
With these seven passes, the validator now catches and fixes virtually all common XML structural errors. You can spend less time debugging and more time building. Upload your messy XML, hit validate, and receive clean, well-formed XML that parsers will love.
Ready to try it out? Give our revamped XML Validator a spin and experience the future of XML structural correction! The app as brief documentation built in or you may download the User Guide (.pdf) here.