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JSON ⇄ YAML ⇄ XML: Safe Conversion Guide

Learn when to choose each format, how to convert without losing meaning, and how to validate and sanitize inputs to prevent errors.

Published: November 4, 2025By: INSINEX Team

Table of Contents

When to use JSON/YAML/XML

JSON for APIs and apps, YAML for configs, XML when schemas/signatures or documents are required.

Conversion tips

  • Preserve ordering only if necessary; many parsers ignore it.
  • Watch out for special scalars in YAML (e.g., yes/no, dates).
  • Normalize keys and whitespace; pretty-print only at the end.

Validation and schemas

Use JSON Schema or XSD to enforce structure. Validate after conversion and before using downstream.

Helpful tools

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