Text Compare - Free Online Text Diff Checker
About Text Compare
Text Compare is a free online tool to compare two texts side by side and highlight differences instantly. Perfect for code reviews, document change tracking, and translation comparisons. Supports line-level and character-level diff detection with color-coded additions, deletions, and modifications. All processing happens in your browser.
How to Use
- Enter or paste the original text in the left text area
- Enter or paste the comparison text in the right text area
- Differences are automatically detected and highlighted
- Review additions (green), deletions (red), and modifications (yellow)
Frequently Asked Questions
- What types of text can be compared?
- You can compare any text format: plain text, code, HTML, JSON, CSV, and more.
- Is there a text length limit?
- Processing happens in-browser, so texts of up to tens of thousands of lines work smoothly.
- Is my text sent to a server?
- No, all processing happens locally in your browser. No text is ever sent to a server.
- Can I upload files to compare?
- You can paste file contents into the text areas for comparison.