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.

Text Diff Checker

Compare two texts side by side and highlight the differences between them.

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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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

Text Diff Checker

About Text Diff

More Tools

How to Use

Common Use Cases

Frequently Asked Questions