Is my data secure when working with XML to JSON?

All processing happens locally in your browser. Your data is never sent to any server, ensuring complete privacy and security.

What if my input has errors?

The tool will highlight syntax errors and provide helpful messages to fix them. Common issues include missing quotes, trailing commas, and unescaped characters.

How are XML attributes represented?

XML attributes are converted to JSON keys prefixed with @ (e.g., id="1" becomes "@id": "1").

XML to JSON Converter

Convert between data formats instantly with this xml to json converter. Transform your data for different applications and programming languages.

Features

Instant Conversion: Transform data formats in milliseconds
Preserve Structure: Maintains data relationships and hierarchy
Error Handling: Clear feedback on conversion issues
Copy Output: One-click copying of converted data

Example

Input: ``John`

Output:`{"users": {"user": {"@id": "1", "name": "John"}}}`

`Tips`

Attributes are prefixed with @


Text content uses #text key
Repeated elements become arrays


How to Use
1. Paste your source data in the input area
2. Click convert to transform the data
3. Review the converted output
4. Copy or download the result
Best Practices
Validate your source data before conversion
Check the output for any formatting issues
Test with a small sample before converting large files
Keep backups of original data

XML and JSON
XML JSON
Types Text plus attributes; types come from an external schema string, number, boolean, null, object, array
Comments Yes Not allowed — a comment makes the document invalid
Good at Schemas, namespaces, mature tooling, mixed content Unambiguous, parsed natively everywhere, no configuration
Bad at Verbose, and the attribute-versus-element choice has no clean JSON equivalent No comments, no dates, no integers distinct from floats, verbose for humans
What Does Not Survive the Trip

	XML	JSON
Types	Text plus attributes; types come from an external schema	string, number, boolean, null, object, array
Comments	Yes	Not allowed — a comment makes the document invalid
Good at	Schemas, namespaces, mature tooling, mixed content	Unambiguous, parsed natively everywhere, no configuration
Bad at	Verbose, and the attribute-versus-element choice has no clean JSON equivalent	No comments, no dates, no integers distinct from floats, verbose for humans

The attribute/element distinction disappears. Most converters prefix attributes (@id) and put text content under a key (#text), which is a convention rather than a standard — pick one and keep it.

`Rules Worth Following`

Convert once, at the boundary. Round-tripping through a lossier format repeatedly

  degrades the data a little each time.
Validate after converting, not before. The conversion is where things break.
Keep the original. The converted copy is a derivative, not a replacement.
Watch encoding. UTF-8 without a BOM is right for everything here; Excel writes a BOM
  and some parsers choke on it.
Numbers Are the Recurring Problem
A JSON number is an IEEE 754 double. Three consequences that bite in production:

Value	What happens
Integers above 2⁵³	Silently lose precision — send IDs as strings
Money as a float	0.1 + 0.2 = 0.30000000000000004
Leading zeros	007 `is invalid JSON;` "007" `is a string`
NaN `and` Infinity	Not valid JSON at all


Twitter hit the first one publicly: 64-bit tweet IDs arrived in JavaScript rounded, so the
API began sending an

id_str alongside every id.

`Keys, Order and Duplicates`

Objects are formally unordered, though every JavaScript engine preserves insertion order for string keys — with one exception: integer-like keys sort numerically and come first.

`javascript JSON.stringify({ b: 1, 2: 2, a: 3 }); // {"2":2,"b":1,"a":3}`

Duplicate keys are not an error in the spec, and JSON.parse` keeps the last one. Two parsers can legitimately disagree about which value wins, which has been the basis of real request-smuggling attacks.

XML to JSON Converter