Structured data conversion without the guesswork
Convert XML, JSON, and CSV locally while keeping control over structure, types, and output.
Data Format Converter is a Windows application with four focused workflows: XML to JSON, JSON to XML, XML to CSV, and CSV to XML. Open a file or paste content, review the converted result, then copy or save it without sending your data to a remote conversion service.
Readable output is available for everyday work, while fidelity-aware options help preserve the details that matter when a reliable round trip is required.
The Problem
Generic converters often make hidden assumptions about structured data:
- XML namespaces, attributes, ordering, or comments can be flattened or lost
- JSON values can lose their original type during conversion
- Nested and repeated XML structures do not fit neatly into one CSV table
- Manual multi-file conversions are difficult to repeat consistently
A useful converter should make those tradeoffs visible and give you the right output for the job.
The Solution – Data Format Converter
Choose the conversion direction you need, select a readable or fidelity-aware output style where applicable, and inspect the result before saving it.
XML-to-CSV can produce multiple related tables for complex documents, while CSV-to-XML can reconstruct structured output from the generated files.
Everything is processed locally, with preview, copy, save, and verification tools kept together in one consistent interface.
Key Features
Four Conversion Directions
Move between XML, JSON, and CSV with a dedicated workflow for each supported direction.
Fidelity-Aware XML & JSON
Choose readable output or retain conversion metadata for dependable reconstruction.
Business-Ready CSV
Turn suitable XML data into clear rows and columns for review, reporting, or exchange.
Complex XML to Multiple CSVs
Represent nested and repeated structures with related CSV files and reconstruction data.
Round-Trip Verification
Check reconstructed output when conversion fidelity is important to your workflow.
Private Local Processing
Your conversion inputs and outputs remain on your Windows device.
Example Workflow
- 1 Choose XML to JSON, JSON to XML, XML to CSV, or CSV to XML
- 2 Open a source file or paste your content
- 3 Select the output style appropriate for your data
- 4 Convert and review the preview or generated file set
- 5 Copy, save, and verify the result where applicable
Work with Real-World Data
Handle namespaces, attributes, nested or repeated elements, mixed content, comments, and JSON primitive values with conversion modes designed for different goals.
Switch between table and raw previews so both business users and developers can review the output comfortably.
Why Choose Data Format Converter?
- One consistent interface for four conversion modules
- Readable and fidelity-aware output choices
- Preview results before saving
- Keep sensitive data on your device
- Try up to 50 source records in each module
Ready to Take Control of Your Data?
Convert structured data without relying on an online converter.
With Data Format Converter (XML JSON CSV), you can move confidently between common formats, inspect the result, and save the output locally.
Download it from the Microsoft Store and try every conversion module.