analyze

Text Diff Analyzer

compare two text blocks with side-by-side diff analysis and character-level highlights

Ready

Diff Precision

Input

Compare With

Output

Example output:
Diff Analysis Report
Left Lines: 3
Right Lines: 3

Unified Diff:
  function add(a, b) {
-   return a + b
+   return a - b
  }

About Text Diff Analyzer

Text Diff Analyzer helps you compare two text blocks with side-by-side diff analysis and character-level highlights directly in your browser with no backend dependency.

Use cases

Run Text Diff Analyzer while debugging API responses and config snippets.
Share normalized output from Text Diff Analyzer with teammates quickly.
Use Text Diff Analyzer as part of a repeatable local text-processing workflow.

Examples

Sample Text Diff Analyzer transformation output.

Input

function add(a, b) {
  return a + b
}

Output

Diff Analysis Report
Left Lines: 3
Right Lines: 3

Unified Diff:
  function add(a, b) {
-   return a + b
+   return a - b
  }

Idempotent rerun example for Text Diff Analyzer when applicable.

Input

Diff Analysis Report
Left Lines: 3
Right Lines: 3

Unified Diff:
  function add(a, b) {
-   return a + b
+   return a - b
  }

Output

Diff Analysis Report
Left Lines: 3
Right Lines: 3

Unified Diff:
  function add(a, b) {
-   return a + b
+   return a - b
  }

FAQ

Does Text Diff Analyzer send my data to a server?

No. Execution happens in your browser tab.

Can I share a direct URL for Text Diff Analyzer?

Yes. Every tool has its own indexable route under /tools/<slug>.