Text Diff Checker

Compare two text blocks and highlight differences line-by-line with insertions, deletions, and changes color-coded.

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ORIGINAL (A)
CHANGED (B)
Enter text in both panes to see the diff

Common use cases

Frequently asked questions

What algorithm does the diff use?

A line-based longest common subsequence (LCS) algorithm, similar to Unix diff. It finds the minimal set of insertions and deletions to transform one text into the other.

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