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Text Diff & Compare Tools

Free browser-based text diff & compare tools with instant results and no account required.

Text Difference Checker

Compare two text versions by line, word, or grapheme and highlight insertions, deletions, and unchanged content.

Compare two texts line by line and highlight added, removed, and unchanged lines.

Compare two texts word by word.

Compare text at grapheme-character level.

Compare text while ignoring letter case.

Compare text while normalizing whitespace.

Estimate text similarity from a deterministic edit alignment.

Find unique lines that appear only in the first or second text.

Find unique lines shared by two text lists.

Generate a unified diff patch from two text versions.

Count inserted, deleted, and unchanged lines, words, or characters between two texts.