ToolBox ProOnline Productivity

Text Diff Checker

Compare two texts side-by-side or line-by-line to highlight additions, deletions, and modifications.

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Text Diff & Comparison Checker
Original Text (Before)8 lines
Modified Text (After)9 lines
Line-by-Line Comparison
+7 Added-6 Removed2 Unchanged
1// ToolBox Pro Configuration
2const config = {
+3 appName: "ToolBox Pro",
+4 version: "2.0.0",
+5 debug: false,
+6 maxUploadSizeMb: 50,
+7 features: ["image", "text", "developer", "calculator"],
+8 supportOffline: true,
+9};
-3 appName: "ToolBox",
-4 version: "1.0.0",
-5 debug: true,
-6 maxUploadSizeMb: 10,
-7 features: ["image", "text"],
-8};

How to Use Text Diff Checker

1

Paste Texts

Paste the original text on the left and modified text on the right.

2

View Comparison

Inspect highlighted green additions and red deletions.

3

Export Diff

Copy the unified diff report or review line statistics.

Key Features

Line-by-line difference detection with color highlighting
Real-time stats for added, removed, and unchanged lines
Swap text button for instant inverse comparison
One-click unified diff export to clipboard

Frequently Asked Questions

Everything you need to know about this tool and data privacy.

Yes! It works seamlessly for JSON, JavaScript, CSS, configuration files, and prose.

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