Yes, completely free with no sign-up. Compare unlimited text files and documents.
No, all comparison happens in your browser. Your text never leaves your device.
Enter your original or "before" text in the left panel - this could be code, documents, configuration files, or any text content. Paste the updated or "after" version in the right panel. View the highlighted differences instantly - added lines appear in green, removed lines in red, and modified lines show both colors. Line numbers help you locate changes quickly. Switch between side-by-side, unified, or split view modes. Copy the diff output or share results with team members for code reviews.
Yes! This tool works great for comparing code, configuration files, JSON, and any other text-based content.