Diff Checker
Compare two texts or code files side-by-side. Highlight differences with unified or split view. Free diff checker tool for developers.
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What is Diff Checker?
Diff Checker compares two texts or code files to highlight differences. It shows additions in green and deletions in red, with line-by-line or word-by-word comparison. Essential for code reviews, document versioning, and tracking changes between file versions.
Key Benefits
- Visual diff highlighting
- Line-by-line comparison
- Word-level changes
- Side-by-side view
Common Use Cases
- •Code review
- •Document versioning
- •Merge conflict resolution
- •Change tracking
- •Plagiarism detection
How to Compare Two Texts
- Paste original text: Enter the original or "before" text in the left panel.
- Paste modified text: Enter the modified or "after" text in the right panel.
- View differences: Differences are highlighted automatically—green for additions, red for deletions.
- Navigate changes: Use navigation buttons to jump between changes. Export diff report if needed.
Key Features
- Side-by-side text comparison
- Line-by-line and character-level diff
- Syntax highlighting for code
- Ignore whitespace option
- Navigate between changes
- Export diff report
Frequently Asked Questions
How do I compare two texts?
Paste the original text in the left panel and the modified text in the right panel. Differences are highlighted instantly—green for additions, red for deletions.
Can I compare code files?
Yes, the diff checker works with any text including code. Syntax highlighting is available for common programming languages.
Does it show line-by-line or character differences?
Both. Line-level differences are shown in the margins, while character-level changes are highlighted within each line for precise comparison.
Can I ignore whitespace differences?
Yes, toggle the "Ignore whitespace" option to focus on meaningful content changes and ignore formatting differences.