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Text Tools
Free online tool
Compare two blocks of text and highlight added or removed lines.
Tool workspace
Enter the text you want to work with, then review and copy the result.
Reviewing revisions, configuration changes and small content updates.
Normalize whitespace first if formatting-only changes are making the comparison noisy.
Line-based comparison can miss semantic equivalence when the same idea is rewritten.
How to use it
Use the controls above, check the result, then copy or download it when available.
It can compare browser-sized text inputs, but very large documents may be better handled by a dedicated version-control tool.
Use this tool whenever you need: Reviewing revisions, configuration changes and small content updates. It offers a fast, client-side workflow without sign-ups, installation or complex software.
Yes. All processing executes locally in your browser using client-side JavaScript. Your inputs, files and calculations remain private and are never uploaded to our servers.
Normalize whitespace first if formatting-only changes are making the comparison noisy. Important note: Line-based comparison can miss semantic equivalence when the same idea is rewritten.
Related
Text utility
Find added and removed lines directly in your browser. Nothing is uploaded.
Paste the original and updated versions below.
Enter both texts to compare
Your comparison will appear here as you type.
Comparison runs locally in your browser. Large inputs are capped to keep the page responsive.