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文本差异对比

左右对比两段文本并高亮差异。免费使用,无需注册。

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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使用方法

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

常见用途

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

常见问题

What is a text diff?
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.
Can I compare code?
Yes. The diff tool works with any text including source code, configuration files, documentation, or plain text.