Text Tool
Diff Checker
Instantly compare two blocks of text side-by-side and see differences highlighted line by line. Perfect for code reviews, document edits, and data validation.
What is a Diff Checker?
A Diff Checker (or text comparison tool) is an essential utility that compares two blocks of text line-by-line and highlights the exact differences. It helps you quickly identify what was added, removed, or changed between an original document and a modified version.
How to use the Diff Checker
Paste your original text into the left panel and the modified text into the right panel. The tool will automatically compute the differences in real-time. You can toggle between two viewing modes:
- Split View: Shows the original and modified text side-by-side, making it easy to see parallel changes.
- Unified View: Shows all changes inline in a single list, similar to standard Git commit diffs.
Common Use Cases
This tool is widely used by developers to review code changes before committing, by writers and editors to track revisions in articles, and by data analysts to compare configuration files or dataset outputs.