🔍 Text Difference Checker

Compare two pieces of text and visualize the differences with advanced highlighting and analysis tools

Text Input

Enter or paste your text to compare

📄 Original Text

Lines: 0 Words: 0 Characters: 0

📄 Modified Text

Lines: 0 Words: 0 Characters: 0

📝 Sample Comparisons

Try these examples to see how the tool works

💻

Code Changes

Compare code snippets to see function modifications and bug fixes

function calculate() { return a + b; }
📄

Document Revision

Track changes in documents, reports, and written content

Contract terms and conditions...
⚙️

Configuration Files

Compare settings, configs, and environment variables

API_KEY=abc123
📊

Data Comparison

Analyze differences in CSV data, logs, and structured text

Name,Age,City

🔧 How to Use the Text Difference Checker

1. Input Your Texts

Paste or type your original text in the left panel and the modified text in the right panel. You can also upload text files or use our sample data.

2. Choose Comparison Mode

Select how you want to compare: word-by-word for detailed changes, line-by-line for document reviews, or character-by-character for precise editing.

3. Set Comparison Options

Configure whether to ignore case sensitivity or whitespace differences based on your specific comparison needs.

4. View and Export Results

Analyze the highlighted differences, view statistics, and export results in various formats including HTML, plain text, or patch files.

💡 Pro Tip: Use the side-by-side view for document reviews and the unified view for code changes. The similarity percentage helps you quickly assess how much content has changed.

🎯 Why Text Comparison Matters

Comparing text differences is crucial in many professional and personal contexts. Our text difference checker helps you:

📝 Document Management

  • Track changes in contracts and agreements
  • Review document revisions
  • Compare different versions of reports
  • Verify content updates

💻 Code Development

  • Review code changes and pull requests
  • Compare configuration files
  • Track script modifications
  • Identify bug fixes and features

📊 Data Analysis

  • Compare CSV files and datasets
  • Analyze log file differences
  • Track data updates over time
  • Validate data migrations

🔍 Quality Assurance

  • Verify content accuracy
  • Check translation differences
  • Compare user requirements
  • Validate test results
✅ Professional Benefits: Save time on manual comparisons, reduce errors in document reviews, improve collaboration in team environments, and maintain better version control.

✨ Key Features

🎨 Multiple View Modes

Choose from side-by-side, unified, or split views to match your workflow and preferences.

📊 Detailed Statistics

Get comprehensive stats including additions, deletions, modifications, and similarity percentages.

🔧 Flexible Comparison

Compare by words, lines, characters, or sentences with options to ignore case and whitespace.

💾 Export Options

Export results in multiple formats including HTML, plain text, JSON, CSV, and patch files.

📱 Mobile Friendly

Works perfectly on all devices - desktop, tablet, and mobile phones.

🔒 Privacy Focused

All comparisons happen in your browser. Your text data never leaves your device.