XML Formatter — Free Online

Format and beautify XML

Free, fast, and runs entirely in your browser — no signup, no upload to a server.

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Sources we checked for XML Formatter

• IETF RFC 8259 — JSON — The JSON data interchange standard.
• W3C XML specification — The XML 1.0 recommendation.
• MDN — File API — How browsers read local files without uploading them.
• web.dev by Google — Practical guidance on performance and web quality.