XML Formatter & Validator
Beautify, validate syntax, format with indentation, or compress XML code.
How to Use XML Formatter & Beautifier Online
Prettify and format XML documents with proper indentation and structure online. Validates well-formedness and highlights syntax errors. 100% free, no uploads.
1. Input Data
Paste or upload your data into the tool. We support a variety of formats depending on the specific tool requirements.
2. Process
The tool will instantly process your data. All calculations and conversions are performed locally in your browser for maximum speed.
3. Get Results
Once the processing is complete, you can copy the results to your clipboard or download them as a file.
Validate, Format & Minify XML Online
XML (Extensible Markup Language) is widely used for enterprise data interchange, RSS feeds, and configuration files. Use this tool to check XML markup validity using browser DOMParsers, beautify nested tags, or strip white spaces for transmission optimization.
Frequently Asked Questions
Is this XML Formatter & Beautifier Online tool free to use?
Yes, this tool is 100% free to use with no limits, no sign-up required, and no hidden fees.
Is my data secure?
Absolutely. We prioritize your privacy. All processing happens locally in your web browser (client-side). Your data is never uploaded to, stored on, or sent to any external server.
Does it work offline?
Yes, Base64Decoder.app is a Progressive Web App (PWA). Once the site is loaded, you can continue using this tool even without an internet connection.
Frequently Asked Questions
Does the XML formatter validate the document?
Yes, it uses the browser's DOMParser to check for well-formedness errors before formatting.
