How are differences detected?

Uses the LCS (Longest Common Subsequence) algorithm for accurate line-level diff.

Can it compare large texts?

Processing happens in browser memory, so typical text sizes work fine.

Can it compare source code?

Yes, line-by-line comparison works well for source code diffs.

Yes, all processing is done in your browser.

Text Diff Checker

Compare two texts and visualize the differences. Added and removed lines are highlighted in color.

Original Text

Modified Text

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How to Use

Step 1

Input

Enter two texts to compare

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Step 2

Compare

Differences are calculated automatically

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Step 3

Result

Added and removed lines are color-coded

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Features

Real-time Comparison

Differences are calculated and displayed as you type

Color Highlight

Added lines in green, removed lines in red

Statistics

Shows count of added, removed, and matching lines

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FAQ

Visually shows which lines were added, removed, or changed between two texts.

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