Data/CleaningLocal only
Text Diff / Compare
Compare two texts side-by-side with line-by-line diff highlighting (added, removed, unchanged).
diffcomparetext comparedifferenceside by side
⌘⇧CCopy output
Your data stays in your browser — nothing is uploaded.
Original Text
24 linesModified Text
28 linesOptions
Layout
Diff Precision
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Custom ignore (comma-separated)
Display
Syntax Highlighting
Transform Text (before comparing)
Whitespace Transforms
6 removals10 additions18 unchanged · 34 total
1/10
− Original6 removed
+ Modified10 added
1 import React from "react";
2−import { useState } from "react";
3
4 function App() {
5 const [count, setCount] = useState(0);
6− const title = "Hello World";
7
8 function handleClick() {
9− setCount(count + 1);
10− console.log("clicked");
11 }
12
13 return (
14− <div className="app">
15 <h1>{title}</h1>
16 <p>Count: {count}</p>
17 <button onClick={handleClick}>
18− Click me
19 </button>
20 </div>
21 );
22 }
23
24 export default App;
1 import React from "react";
2+import { useState, useEffect } from "react";
3
4 function App() {
5 const [count, setCount] = useState(0);
6+ const title = "Hello React";
7+
8+ useEffect(() => {
9+ document.title = title;
10+ }, [title]);
11
12 function handleClick() {
13+ setCount(prev => prev + 1);
14+ console.log("button clicked");
15 }
16
17 return (
18+ <div className="app container">
19 <h1>{title}</h1>
20 <p>Count: {count}</p>
21 <button onClick={handleClick}>
22+ Increment
23 </button>
24 </div>
25 );
26 }
27
28 export default App;
Removed Addedtext Changed word/char
💡
What is Text Diff / Compare?
Text Diff / Compare shows the differences between two text blocks with line-by-line color highlighting. Green for additions, red for deletions, gray for unchanged — perfect for comparing code versions, contract edits, or any text changes.
🚀
How it Helps
- ✓Spot differences between two versions of text, code, or documents.
- ✓Color-coded display: green (added), red (removed), gray (unchanged).
- ✓See statistics on total changes, additions, and deletions at a glance.
📖
Usage Guide
- 1Paste the original text in the left panel.
- 2Paste the modified text in the right panel.
- 3View the color-highlighted diff output showing all changes.
Frequently Asked Questions
The tool uses a longest common subsequence (LCS) based algorithm for accurate line-by-line diff comparison.
Yes. The tool works with any text content including source code, configuration files, and structured data.
The tool handles large text comparisons efficiently. Performance depends on your browser and the number of differences.