Text Diff Checker & Side-by-Side Comparison

Compare two texts by line, word or character in split or unified view. Ignore whitespace or case, with comparison processed in your browser.

When to use this tool

• Review revised copy or compare configuration-file text.

How to use

1. Enter the original and revised text.
2. Select line or word comparison.
3. Review highlighted differences and counts.

Examples

Input: Original: Hello world / Revised: Hello team

Result: Word mode highlights world as removed and team as added.

Before you start

• JSON is compared as plain text, without semantic parsing. Each input allows up to 50,000 characters; complex comparisons may require line mode or shorter input.

Frequently asked questions