Converter from JSON to XML
Free JSON to XML converter online: upload JSON, get valid XML and prepare data for ERP, CMS systems, marketplaces and other workflows.
Online processor JSON → XML
Upload JSON and get XML online. Simple files work immediately, while advanced rules for changing structure, transforming values, export filters and scheduled automation can be configured in your account after signup.
Need transformations, not just format conversion?
Sign up when you need to change values in cells, resize and convert images, or filter exports to include only selected items.
What is a JSON to XML converter
A JSON to XML converter is a tool that takes data from a JSON file or API response and builds an XML document with a root element, tags, nesting and repeated nodes. This is useful when the data source works in JSON, but the receiving system expects XML: for example, a CMS imports a catalog in XML format, an ERP accepts a price list with products and stock in a strict XML structure, or a marketplace or partner channel requires a file with specific tags and attributes. In a simple conversion, JSON fields become XML tags: sku becomes <sku>, price becomes <price>, and an images array becomes repeated elements. In real workflows, the values are only part of the task: the output schema also matters, including the root element name, node order, attributes, namespaces, empty values and UTF-8 encoding.
When you need a converter
Use it when the data is already in JSON, but the receiving system requires an XML file with its own syntax, strict structure and attributes. For example, a supplier exposes catalog data through a JSON API, while a website, CMS or internal import accepts only XML.
What the converter does
It creates an XML document: adds a root tag, turns JSON keys into elements, arrays into repeated nodes, and numbers, strings and true/false values into XML text values. This makes an API response easy to preview and download as an XML file.
Why output schema matters
The same JSON can be assembled into different XML structures: images can become repeated <images> tags or nested <images><image> nodes. For imports, you often need to define the root element, node order, attributes and empty-field handling in advance.
JSON to XML example
The quick converter on this page creates XML with a root element and repeated images tags. If you need another target structure, configure it in a profile after signup.
Before
source JSON{
"product": {
"sku": "SKU-001",
"name": "iPhone 15",
"price": 999,
"stock": true,
"images": ["front.jpg", "back.jpg"]
}
}After on the page
quick XML result<?xml version="1.0" encoding="UTF-8"?>
<root>
<product>
<images>front.jpg</images>
<images>back.jpg</images>
<name>iPhone 15</name>
<price>999</price>
<sku>SKU-001</sku>
<stock>true</stock>
</product>
</root>The transformation interface can configure the root element, nesting and repeated tag names.
After profile setup
target XML structure<?xml version="1.0" encoding="UTF-8"?>
<product>
<sku>SKU-001</sku>
<name>iPhone 15</name>
<price>999</price>
<stock>true</stock>
<images>
<image>front.jpg</image>
<image>back.jpg</image>
</images>
</product>When you need a JSON to XML converter
This conversion is often part of regular preparation for catalogs, price lists, stock data and supplier exports.
Supplier catalogs
A supplier provides assortment data in JSON, while the workflow needs an XML file with products, prices, stock, attributes and images.
API to CMS
An external service returns JSON, while the CMS accepts XML for catalog, category, property and media imports.
Marketplace feeds
Catalog data can be converted into the XML structure expected by a marketplace, partner channel or internal import.
ERP, PIM and MDM
Corporate systems often require XML with a root node, attributes, fixed nesting and stable field names.
Price lists and stock
JSON with prices, stock and warehouse fields can be transformed into XML for further processing and delivery.
Structure checks
Developers and data managers can quickly see how JSON will look as XML before configuring a recurring profile.
Common JSON to XML conversion mistakes
Most problems come from data structure, not from the format change itself. Check these points before import.
Missing root element
Every XML document needs one root node. JSON arrays need a container and item name.
Wrong repeated level
Products, images, warehouses and catalog rows must repeat at the correct XML level.
Attributes vs elements
Some importers expect IDs or SKU values as XML attributes, not child tags.
Ignored namespaces
Some XML schemas require namespaces or prefixes. If they are missing, the XML may look valid but fail import.
Unescaped special characters
Text with &, <, > and quotes must be escaped or wrapped in CDATA.
Encoding mismatch
UTF-8 is safest for modern integrations. If the receiver needs another encoding, check it explicitly on a test file.
JSON to XML online or manual conversion
Choose the method based on whether this is a one-time check or a production workflow.
| Method | Pros | Cons |
|---|---|---|
| Manual code | Maximum flexibility for unique schemas and CI/CD. | Requires a developer, tests, error handling and maintenance. |
| Script or local utility | Fast for a repeat technical task. | Harder to manage files, logs, permissions, schedules and delivery. |
| Eofferix | Online converter, preview, profiles, rules, files up to 2 GB after signup and scheduled runs. | Complex XML schemas require a saved profile and output setup. |
Limits, safety and production workflows
The quick converter helps check a JSON file directly on the page. For recurring catalogs, large files and exact XML schemas, save the workflow in your Eofferix account.
Up to 5 MB without signup
Good for tests, API responses and quick output checks.
Up to 2 GB after signup
Large catalogs and regular files are processed in the account with saved settings.
Source is not rewritten
Eofferix creates a separate XML result; the JSON source stays intact.
Structure control
When a supplier changes JSON keys or nesting, profiles help update only affected rules.
Value transformations
Clean text, normalize spaces, calculate prices, filter records and disable fields.
Result delivery
Connect email, FTP/SFTP, webhook and other delivery channels for repeat jobs.
Other conversions and formats
Eofferix can also help convert catalogs, price lists and supplier exports into other working formats.
JSON → CSV
Build a table from JSON objects or arrays.
JSON → XLSX
Prepare Excel exports and reports.
JSON → YML
Create YML-style feeds where needed.
XML → JSON
Reverse conversion for APIs and web apps.
XML → CSV
Turn XML structure into a table for analysis and import.
CSV → XML
Build an XML file with the required tags and nesting from a table.
How to convert JSON to XML online
Upload a JSON file
Drop a file on the page or choose it from your computer. Quick conversion without signup supports files up to 5 MB.
Check the XML structure
Eofferix builds XML output and shows a preview. For production workflows, configure the root tag, nesting, attributes and rules in a profile.
Download XML or save the workflow
Download the file immediately or sign up to process larger files, run on schedule and deliver output to the right channel.
What the JSON to XML converter supports
Online JSON to XML converter
Convert JSON to XML in the browser for API responses, small catalogs and test files.
Nested objects and arrays
Objects become XML elements; arrays become repeated tags or nested groups according to the selected structure.
ERP and CMS preparation
Use XML as an exchange format for ERP, CMS, WMS, EDI and other corporate systems.
Rules and filters in the account
After signup, save a profile, add value transformations, export conditions and scheduled runs.
Result preview
Check the root element, repeated records, empty values and special characters before downloading XML.
Integration workflows
Download XML, send it by email, connect FTP/SFTP, webhook delivery or further Eofferix processing.
JSON to XML FAQ
Convert JSON to XML and automate repeat exports
Start with a free file check, then save a profile for large catalogs, ERP, CMS and marketplace workflows.
Try for free → Up to 5 MB free · up to 2 GB after signup · no software install