XML → JSON 変換

XMLファイルをJSON形式にオンラインで無料変換。

ファイルをアップロード

XMLファイルをドラッグ＆ドロップ

または

XMLファイルをアップロードして開始。最大750MB/ファイル。

ファイルを処理

アップロードしたXMLファイルをすべてJSON形式に変換

変換結果をダウンロード

変換済みファイルがここに表示されます

XML → JSON オンライン変換方法

簡単な手順でXMLドキュメントを数秒でJSON形式に変換：

XMLファイルをアップロード

「ファイルを選択」をクリックするか、XMLファイルをドラッグ＆ドロップ。1ファイル最大50MBまで複数対応。

自動XML解析

XML構造、属性、ネスト要素を解析してJSONオブジェクトを作成します。

JSONに変換

「JSONに変換」をクリック。リアルタイム進捗表示でXMLがJSON形式に変換される様子を確認できます。

JSONファイルをダウンロード

個別にJSONファイルをダウンロード、またはすべてZIPアーカイブでまとめて取得。

XML → JSON変換の主な機能

Conversion Features

Preserve XML hierarchy and structure
Handle XML attributes and nested elements
Professional JSON formatting with indentation
Support for namespaces and CDATA sections

Performance Features

Batch processing for multiple XML files
Real-time conversion progress tracking
Fast processing for large files
Error validation and reporting

Security Features

Secure processing with automatic file deletion
No file storage or data retention
100% free with no registration required
Individual or bulk ZIP download options

なぜXMLをJSONに変換？

Modern Web Development

JSON is the native data format for JavaScript and modern web applications. It's lighter, faster, and easier to parse than XML, making it the preferred choice for APIs, web services, and mobile applications.

Native JavaScript support and easier parsing
Lightweight and faster data transmission for APIs
Better performance in mobile and web environments

Universal Compatibility

JSON is supported by virtually all modern programming languages and frameworks. It's the standard format for RESTful APIs, NoSQL databases, and configuration files in modern development.

Modern web application compatibility
RESTful API standard format
NoSQL database native format

XML → JSON変換の主なユースケース

API Development

Convert XML API responses to JSON for modern RESTful APIs and web services that require JSON format.

Mobile Apps

Transform XML data to JSON for mobile applications that require lightweight, fast-parsing data formats.

NoSQL Databases

Convert XML to JSON for importing data into MongoDB, CouchDB, or other document-based NoSQL databases.

Web Applications

Transform XML configuration files or data to JSON for JavaScript-based web applications and frameworks.

Data Migration

Migrate legacy XML-based systems to modern JSON-based platforms and architectures.

Configuration Files

Convert XML configuration files to JSON for modern build tools, package managers, and development frameworks.

よくある質問

Is the XML to JSON converter free?

Yes, our XML to JSON converter is completely free. Convert unlimited XML files without any cost, registration, or watermarks. No hidden fees or premium features.

Does the converter preserve XML structure?

Absolutely! Our converter maintains XML hierarchy, attributes, and nested elements while transforming them into properly structured JSON objects with correct data types.

Can I convert multiple XML files at once?

Yes! Upload multiple XML files and convert them all to JSON format in one batch operation with real-time progress tracking. Download individually or as a ZIP file.

What XML features are supported?

We support standard XML features including elements, attributes, namespaces, CDATA sections, and nested structures. All are properly mapped to JSON format.

Is my data secure when converting XML to JSON?

Yes, your data is completely secure. All conversions happen on secure servers with automatic file deletion after processing. We never store or share your files.

What is the maximum file size for XML to JSON conversion?

You can convert large XML files efficiently. This supports even large XML datasets and enterprise-level documents.

How do I convert XML to JSON without software?

Simply use our online converter - no software installation required. Upload your XML file, click convert, and download the JSON file. Works on any device with a web browser.

How are XML attributes handled in JSON?

XML attributes are converted to JSON properties with an '@' prefix or as nested objects, depending on the structure. This ensures all XML data is preserved in the JSON output.

Is the JSON output formatted and readable?

Yes, the JSON output is properly formatted with indentation for easy reading and debugging. It follows standard JSON formatting conventions.

Why convert XML to JSON format?

JSON is lighter, faster, and natively supported by JavaScript and modern web applications. It's ideal for APIs, web services, mobile apps, and any JavaScript-based development.