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Compare Text, Code & Documents Instantly

Quickly identify differences between two versions of text, source code, JSON, XML, HTML, configuration files, contracts, articles, and more. Our online diff checker highlights added, removed, and modified content with a clean GitHub-style comparison view.

Document Comparison

Compare contracts, reports, articles, and revisions line by line.

Code Diff Viewer

Review source code changes for C#, JavaScript, SQL, HTML, CSS, and more.

JSON & XML Compare

Detect structural and content differences in API payloads and configurations.

Change Detection

Instantly locate added, removed, and modified words or lines.

Why Use This Text Comparison Tool?

  • ✓ Fast side-by-side text comparison
  • ✓ GitHub-style diff visualization
  • ✓ Highlight added and deleted content
  • ✓ Compare code snippets and documents
  • ✓ Works with large text blocks
  • ✓ Completely free to use