Yes, this tool is optimized for plain text and code. It highlights changes clearly.

Yes, the comparison happens entirely in your browser. No text is sent to our servers.

Text Diff Checker

Compare two text files or blocks of code to find the differences. Highlight added, removed, and modified lines. Perfect for developers and writers.

How to Use This Text Diff Checker

1Paste the original text in the 'Original' box (Left)
2Paste the modified text in the 'Modified' box (Right)
3The tool automatically highlights differences
4Green indicates added text
5Red indicates removed text
6Use the toggle to switch between split view and unified view

Features

✓Side-by-side (Split) comparison view
✓Unified (Inline) comparison view
✓Syntax highlighting support
✓Line-by-line diff
✓Ignore whitespace option
✓Dark mode optimized for code

How Diff Checkers Work

Diff checkers use algorithms (like Myers' diff algorithm) to compute the smallest set of edits (insertions and deletions) required to transform one text into another. This is crucial for software development version control (Git) but also useful for proofreading.