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Text Diff — Compare Two Texts or Files Online

Highlight Differences Between Two Versions

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Guide

About Text Diff

Compare two blocks of text side by side and see exactly what changed — paste text directly, or upload two files and let the tool read them for you. Additions are highlighted in green, deletions in red. Perfect for comparing document versions, code changes, config files, and content edits.

How to Use Text Diff

1

Paste text in both panels, or switch to Upload and choose two files

2

Click Compare to see differences highlighted

3

Review additions in green and deletions in red

Frequently Asked Questions

It highlights added text (green), deleted text (red), and unchanged text (white), making it easy to see every change.
Yes! Paste any code in both panels, or switch to Upload mode and pick the two files directly. It works with any programming language or text format.
Yes — switch to the Upload tab and choose two files (.txt, .md, .csv, .json, .log, or most source code files). The tool reads them in your browser and compares the contents.
By default yes. You can toggle case-insensitive comparison for content where case differences don't matter.

Learn More

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