JSON vs XML — Comparison & Free Converter
Fast, instant JSON to XML conversion. No signup required. Just drop your .json file and get .xml in seconds.
Batch Settings
JSONはAPIやアプリ開発で広く使われていますが、企業間のデータ連携や行政への申請では、いまもXMLが求められる場面が少なくありません。特に既存の業務システムとのやり取りでは、フォーマットの違いが思わぬ手間を生むことがあります。このツールを使えば、JSONファイルをXMLに変換する作業を、専門知識がなくてもその場で完結できます。コードを書く必要はなく、ファイルを読み込んで変換ボタンを押すだけです。開発者の方はもちろん、データを扱う機会が増えた現場担当者の方にも気軽にお使いいただけます。
- 電子帳簿保存法対応の経理データ整形
- 同人・商業問わずコミック管理システムへの作品メタデータ登録
- 自治体や官公庁向け申請書類のデータ変換
日本の企業向けERPや会計パッケージにはXMLベースの仕様が根強く残っており、特にXBRL（財務報告用の標準形式）との連携を意識した変換が求められるケースがあります。出力したXMLをそのままXBRL対応ツールに取り込む際は、名前空間の設定を事前にご確認ください。
About JSON to XML Conversion
JSON or XML — which format should you use? The answer depends on your needs. Here's a quick breakdown.
JSON (JavaScript Object Notation) is the universal data interchange format for APIs and configuration. It has universal platform support. XML (Extensible Markup Language) is a structured data format used in enterprise integrations. It has universal platform support.
Full Name: JSON uses JavaScript Object Notation, while XML uses Extensible Markup Language. Compression: JSON uses None (uncompressed), while XML uses None (uncompressed). Typical File Size: JSON uses 1 KB–100 MB, while XML uses 1 KB–100 MB.
So when should you convert JSON to XML? This conversion is ideal when you You need a file that works in web browsers, or when you You need maximum device and software compatibility. This conversion helps you convert between formats quickly.
Converting JSON to XML maintains high quality with CocoConvert's optimised encoder settings.
If you've decided XML is the right choice, CocoConvert makes the conversion effortless. Upload your .json file, pick XML, and click Convert — done in seconds. The converter runs on secure servers in Germany, powered by FFmpeg, Sharp, and qpdf. Files are encrypted via TLS and erased within 24 hours.
Free tier: 5 files/hour, 250 MB each. Pro: 100 files/hour, 5 GB each. Works in every modern browser on desktop and mobile.
How to Convert JSON to XML
- 1
Choose your JSON file
Upload your .json file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to XML
Select .xml from the output options. The converter applies optimal quality settings automatically.
- 3
Run the conversion
Click Convert. Server-side processing means your device stays fast — even for large code / data files.
- 4
Get your XML file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert JSON to XML
Your JSON file is decoded and re-encoded as XML.
Your JSON file is uploaded and the format is validated
The file content is decoded into its raw representation
The data is re-encoded in XML format with optimal settings
The converted file is ready for download
JSON vs XML — Detailed Comparison
| Feature | .JSON | .XML |
|---|---|---|
| Full Name | JavaScript Object Notation | Extensible Markup Language |
| Compression | None (uncompressed) | None (uncompressed) |
| Typical File Size | 1 KB–100 MB | 1 KB–100 MB |
| Platform Support | Universal | Universal |
| Browser Support | Universal | Universal |
| Year Created | 2001 | 1998 |
| Open Standard | Yes | Yes |
Should You Convert JSON to XML?
When to Convert
- ✓You need a file that works in web browsers
- ✓You need maximum device and software compatibility
Frequently Asked Questions
Should I use JSON or XML?
It depends on your goal. JSON preserves full quality. XML preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is XML higher quality than JSON?
Not necessarily. Converting JSON to XML maintains high quality with CocoConvert's optimised encoder settings. Quality depends on the compression type and settings, not just the format name.
Can I convert JSON to XML on Mac and Windows?
Yes. CocoConvert is a web-based tool that works in all modern browsers — Chrome, Safari, Firefox, Edge — on any operating system including macOS, Windows, Linux, iOS, and Android.
Is CocoConvert free for JSON to XML?
Yes. Free users get 5 conversions per hour (250 MB each). Pro subscribers unlock 100 files per hour, 5 GB per file, and priority processing.
What tools does CocoConvert use for JSON to XML?
CocoConvert uses FFmpeg for audio/video, Sharp for images, and qpdf for documents — the same open-source libraries used by Netflix, YouTube, and major enterprise platforms.