無料のオンライン XML 差分ツール

ベース XML

比較 XML

機能

XML を正確かつ簡単に比較。データ検証、API テスト、デバッグに最適です。

差分の可視化

XML データの違いを色分けで強調表示します。追加・削除・変更などの差分に対応。

超高速

1 秒未満で XML ドキュメントを比較し、すぐに違いを確認できます。

プライバシー保護

XML データはメモリ内のみに存在し、すべての比較はブラウザ内で実行されるため、データの安全性が確保されます。

使い方

簡単な手順で XML 比較を始めましょう。

1

XML を入力

左右の入力欄に元の XML と比較対象の XML を入力または貼り付けます。

2

比較を開始

「比較」ボタンをクリックして比較します。

3

結果を確認

強調表示された差分結果を確認します。

How XML Comparison Works

Our tool uses structural comparison to deeply analyze XML documents, going beyond line-by-line text diff to understand the hierarchical nature of XML.

1

Parse XML to Tree

Both XML inputs are parsed using fast-xml-parser into hierarchical tree structures. Elements, attributes, and text nodes are organized into a normalized object representation.

2

Recursive Node Comparison

The algorithm recursively traverses both XML trees, comparing elements at each level. It detects added/deleted elements, attribute changes, and text content modifications.

3

Repeated Element Matching

Repeated child elements (like list items) can be matched using three strategies: By Index (positional), LCS (Longest Common Subsequence), or Unordered (ignoring element order).

4

Visual Mapping

Differences are mapped back to their source positions in the XML document and rendered with color-coded highlights — green for additions, red for deletions, and yellow for modifications.

Use Cases

XML comparison is essential across many development and data workflows.

API & SOAP Services

Compare XML request/response payloads for SOAP web services, REST APIs with XML responses, or WSDL definitions.

Configuration Files

Track changes in XML configuration files such as pom.xml, web.xml, Spring configs, or Android manifest files.

Data Exchange Formats

Validate XML data transformations, compare XSLT outputs, or verify data migration results between XML-based systems.

Document Formats

Compare structured documents in formats like DocBook, DITA, or SVG files where XML structure matters.

Load Comparison via URL

You can pre-load XML data into the comparison result page by passing query parameters. This is useful for sharing comparisons, CI/CD integrations, or automated testing.

Load from File URL

Pass publicly accessible URLs to the base and contrast parameters. The tool will fetch the XML content from these URLs.

Load from Base64

Encode your content as a Base64 string and pass it directly. Use base-64.com to encode/decode your data.

FAQ