Free Online Tools
Compare two texts side-by-side and find all differences instantly. Perfect for code review, document comparison, proofreading, and content editing. Fast, accurate, and 100% free!
Instant comparison with advanced diff algorithm. Compare thousands of lines in milliseconds.
Precise line-by-line and character-level difference detection with smart matching.
Color-coded differences with side-by-side and unified views for easy understanding.
Case-sensitive comparison, whitespace handling, and line trimming options.
Get comprehensive stats on added, removed, changed, and unchanged lines.
No registration, no file size limits, no watermarks. Compare unlimited texts forever.
Code Review & Development:
Document Editing & Writing:
Data Processing & Analysis:
Content Management:
Side-by-Side View:
Display original and modified texts in parallel columns for easy visual comparison. Perfect for comparing documents, code files, and longer texts where you want to see both versions simultaneously.
Unified View:
Show all differences in a single column with color-coded additions and deletions. Ideal for reviewing changes sequentially and understanding the complete modification flow.
Case Sensitive Comparison:
When enabled, treats uppercase and lowercase letters as different. Disable this option to ignore capitalization differences and focus on content changes.
Ignore Whitespace:
Excludes spaces, tabs, and other whitespace characters from comparison. Useful when comparing code with different indentation styles or formatted text.
Trim Lines:
Removes leading and trailing whitespace from each line before comparison. Helps identify meaningful content changes while ignoring formatting differences.
Your privacy is our priority. Here's how we protect your data:
Q: Is there a limit on text length?
A: No hard limits! The tool can handle very large texts. Performance depends on your device, but most documents and code files compare instantly.
Q: Can I compare code files?
A: Absolutely! The tool is perfect for comparing code in any programming language - JavaScript, Python, Java, C++, HTML, CSS, and more.
Q: How accurate is the comparison?
A: Very accurate! We use advanced diff algorithms that precisely detect line-by-line and character-level changes.
Q: Can I save or export the comparison results?
A: You can copy the results directly from your browser. Future updates will include export functionality.
Q: Does this work on mobile devices?
A: Yes! The tool is fully responsive and works on all devices - desktop, tablet, and smartphone.