JSON to XML Converter

Generate well-formed XML from JSON data. Free in your browser — no sign-up, no watermarks.

Drop your JSON files here

or click to browse — Select multiple files for batch conversion

json

⚡ Instant — conversion starts the moment you add files. No sign-up, no watermarks. Why FileHugger

🔍 How your file is processed
Runs
In your browser on this page
Engine
In-browser JavaScript converters with no external libraries (XML parsing uses the browser's built-in DOMParser)
Max input
512 MB per file (or paste text directly)
Your file
Processed in this browser tab — the file is not uploaded. Converted results are kept in this browser's local storage for up to two hours so their matching download page can show them; expired results are removed on the next site visit. Nothing is stored on our servers.
Good to know
Format limits apply: nested JSON values are embedded as JSON text inside a single CSV cell (not expanded into columns), and CSV values are always imported as text — no number or boolean detection is attempted.

Full security & file-privacy details →

Or paste your JSON content directly:

Related converters

CSV to PDFWord to MarkdownMarkdown to WordHTML to MarkdownTranslate MarkdownTranslate Text File

How to convert JSON to XML

  1. Click Choose files (or drag & drop) and select one or more JSON files. You can also paste the input text directly into the box below the uploader.
  2. Review the options (delimiter is auto-detected for CSV) — usually the defaults are exactly right.
  3. Press Convert to XML. Each file is converted with a live progress indicator.
  4. Open the download page to save your files individually or grab everything as a single ZIP.

Why convert JSON to XML?

When an older integration, SOAP service or e-invoicing system demands XML, this tool serializes your JSON into clean, indented, well-formed markup. Keys starting with @ become attributes, arrays become repeated elements — the mirror image of our XML to JSON mapping.

Advertisement

What this tool preserves — and what it changes

✓ Preserved

  • The '@' and '#text' conventions: '@'-prefixed keys become attributes and '#text' becomes element text — the mirror image of our XML to JSON mapping
  • Arrays, which come out as repeated elements with the same tag name
  • Escaping everywhere: every value and attribute is XML-escaped (& < > " '), so your data can never break the markup

↺ Changed

  • A top-level object with exactly one key becomes the root element — unless that key holds an array; then, like every other shape, the output is wrapped in a <root> element
  • An XML declaration (UTF-8) and 2-space indentation are added
  • null and empty strings produce empty elements, and empty objects self-close (<tag/>)
  • Numbers and booleans become plain element text — XML carries no type information

Known limits & edge cases

  • Keys are sanitized into legal XML names — illegal characters become underscores and names starting with a digit get one prefixed — so unusual keys may not round-trip exactly
  • A top-level JSON array becomes one <root> element per item, so two or more items yield multiple root elements — strict parsers reject that; wrap the array in an object first if you need a single-rooted document
  • JSON that does not parse stops the conversion before any XML is emitted, surfacing the JSON parser's own error text

Engine: In-browser JavaScript converters with no external libraries (XML parsing uses the browser's built-in DOMParser). These statements describe the engine as shipped on 2026-10-02 — behaviour changes are recorded in the changelog.

About the formats

What is a JSON file?

JSON is the standard data format of the modern web. APIs, config files and databases exchange structured data as JSON because it is human-readable, supports nesting, and maps directly to objects in every programming language. Converting between JSON and CSV, XML or YAML is everyday work for developers, analysts and anyone wiring two systems together.

What is an XML file?

XML is a markup language for structured data that predates JSON and still powers enterprise systems, RSS feeds, sitemaps, invoices (e-invoicing), Office documents and countless integrations. It is verbose but very expressive, with attributes and namespaces. Converting XML to JSON makes legacy data easy to use in modern apps, and the reverse produces feeds older systems expect.

JSON vs XML at a glance

JSONXML
TypeStructured dataStructured data
CompressionTextText
Typical useAPIs, configuration, data exchangeEnterprise data, feeds, invoices

Meeting XML-only systems halfway

Your data is JSON; the receiving system was specified in 2006. Procurement platforms, SOAP endpoints, publishing toolchains and government submission portals still require XML, and this converter produces it from your JSON: keys become elements, arrays become repeated elements, nesting becomes hierarchy — well-formed and indented for both machines and the humans who will inevitably inspect it.

The practical detail: “valid XML” usually means “valid against their schema,” and schemas care about element order, naming and structure. Shape your JSON to mirror the expected document — matching key names, arrays where the schema repeats elements — and the output drops in cleanly; one glance at the target’s sample XML before converting beats three rounds of rejection emails after.

Frequently asked questions

Is this JSON to XML converter free?

Yes — completely free, with no sign-up, no watermarks and no daily quota. Processing happens in this browser, so the practical limit is the memory available on your device.

Can I convert multiple JSON files at once?

Yes. Select or drop as many files as you like — each one is converted in sequence with its own progress status, and you can download the results individually or all together as a ZIP archive.

Advertisement