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Text Compare

Paste two versions of a text side by side and instantly see which lines match and which differ.

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Text Compare
Compare two texts side by side — highlight similarities and differences
Text A
Text B

Disclaimer. This tool is provided for informational purposes only. Verify important results independently. Read full disclaimer →

About Text Compare Tool

Text comparison (diff) identifies differences between two versions of a document, code file, or data export. Our tool highlights additions in green and deletions in red, making changes immediately visible. This is essential for version control, proofreading revisions, verifying data transformations, and auditing changes before publishing or deploying.

Use cases: comparing contract drafts to identify lawyer-added clauses; verifying that a translated document covers all points in the original; checking that a code change only modified intended lines; comparing two CSV exports to find changed records; proofreading after editing to ensure no unintended text was altered. For large codebases, use Git diff or a dedicated diff tool like Beyond Compare for line-by-line comparison with version history context.

Frequently Asked Questions

The tool splits both texts into lines and compares them position by position. Matching lines are shown in a neutral colour, and differing lines are highlighted so you can spot changes at a glance.
No, this tool compares line by line rather than word by word. For a code-oriented, more granular diff, use the dedicated Text Diff Checker tool instead.
The comparison runs to the length of the longer text; any line that doesn't exist in the shorter text is treated as empty and counted as a difference.
It works well for shorter documents and text snippets viewed directly in the browser. For large codebases, a dedicated version-control diff (e.g. git diff) will be more efficient and offer more context.
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Related: Find & Replace, Text Diff Checker, All Text Tools