XML vs JSON: Which Data Format Should You Use?
Compare XML and JSON for APIs, configs, and data exchange, including size, nesting, and tooling support.
File Size
JSON is typically 30-50% smaller because there are no closing tags <cite>[4]</cite>.
Schema
XML has XSD schemas for strict validation. JSON uses JSON Schema, less widely enforced.
Best For
XML: documents, SOAP APIs, configs with metadata. JSON: web APIs, JavaScript-heavy stacks.
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