What is Diff Checker?
A diff checker compares two versions of text and highlights the differences. It shows added lines, removed lines, and unchanged content. Essential for code reviews, document revisions, configuration changes, and spotting modifications between file versions.
How to Use
- Paste the original text in the first input.
- Paste the modified text in the second input.
- Select diff mode: line-by-line or word-level.
- Click 'Compare' to see highlighted differences.
- Toggle syntax highlighting for code comparison.
Why Use This Tool?
Tips & Best Practices
- Line-by-line diff works best for most comparisons
- Word-level diff shows granular text changes
- Enable syntax highlighting for code reviews
- Split view shows both versions side by side
- Use unified view for a compact change overview
Frequently Asked Questions
What's the difference between line and word diff?
Line diff compares entire lines - if a line has any change, it's marked. Word diff shows exactly which words changed within a line, useful for spotting small edits in large paragraphs.
How do I interpret the colors?
Green lines are additions (new content in second text). Red lines are removals (content deleted from first text). White/gray lines are unchanged. The colors match standard git diff conventions.
Can I compare code files?
Yes! Enable syntax highlighting for better readability. This diff checker works like git diff - perfect for reviewing code changes, pull requests, or debugging modifications.
What files can I compare?
Any text-based content: source code, JSON, YAML, XML, markdown documents, configuration files, CSV data, logs, or plain text. Binary files won't work.