Text Compare
Compare two texts side-by-side and highlight differences.
Paste two texts to compare them side-by-side. Differences are highlighted with colors—green for additions, red for deletions. Everything runs locally in your browser.
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What is Text Compare?
Text Compare is a free online diff tool that highlights the differences between two pieces of text. It shows additions in green and deletions in red, making it easy to spot changes between document versions.
When Should You Use This Tool?
Use this tool to compare document versions, review code changes, verify text edits, or find differences between similar texts.
How to Use Text Compare
- 1Paste the original text in the left input area.
- 2Paste the modified text in the right input area.
- 3View the highlighted differences below.
- 4Green highlights show additions, red shows deletions.
How Does This Tool Work?
This tool uses a diff algorithm to find the longest common subsequence between the two texts, then highlights the differences. All comparison happens locally in your browser—no text is uploaded.
Privacy Note: Runs entirely in your browser. Your data never leaves your device. No file uploads to any server.
Common Use Cases
Writers
Compare draft versions to see what changed.
Developers
Review code changes before committing.
Editors
Verify that requested changes were made correctly.
Students
Compare notes or essay drafts.