A text diff compares two texts and highlights the differences — additions, deletions, and unchanged lines. It's similar to how Git shows code changes.

What diff algorithm is used?

This tool uses a line-by-line comparison algorithm that identifies added, removed, and unchanged lines between the two texts.

Yes. The diff tool works with any text including source code, configuration files, documentation, or plain text.

テキスト差分チェッカー

2つのテキストを比較して差分をハイライト。

Original Text

Modified Text

About Text Diff

Text diff compares two versions of text and highlights the differences. It's essential for code review, document comparison, and tracking changes. Green lines indicate additions, red lines indicate removals.

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{ }JSONフォーマッター B64Base64エンコーダー/デコーダー %20URLエンコーダー/デコーダー #ハッシュジェネレーター

How to Use

Paste the original text in the left field
Paste the modified text in the right field
Click 'Compare' to see highlighted differences
Green lines are additions, red lines are deletions

Common Use Cases

Comparing code versions before committing
Reviewing configuration file changes
Finding differences between document versions
Verifying data migration accuracy

テキスト差分チェッカー

About Text Diff

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How to Use

Common Use Cases

Frequently Asked Questions