Text & Code Diff Checker

Popular

Compare two pieces of text or code side-by-side to find additions, deletions, and differences.

Original Text / Code
Modified Text / Code
Visual Difference Inspection:
Paste texts above to see real-time diff lines.

How to Use Text & Code Diff Checker Online

  1. Paste your original content in the "Original Text" box on the left.
  2. Paste your modified content in the "New Text" box on the right.
  3. The comparison engine immediately highlights every change.

Key Features & Capabilities

  • Side-by-side and unified inline comparison modes
  • Color-coded line additions (green) and deletions (red)
  • Character-level difference highlighting
  • Difference summary (Total lines changed, additions, deletions)

Frequently Asked Questions

Yes! The diff algorithm works on plain text, HTML, JSON, CSS, JavaScript, Python, PHP, or any text-based file.

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