Text Diff Checker - Free Online Text Comparison Tool
Original Text A Modified Text B Word-level diff Ignore whitespace Ignore case ▶ Compare ⇆ Swap ✕ Clear Both 📋 Copy Diff Copied! Added: 0 | Removed: 0 | Unchanged: 0 | Similarity: 0% Diff Result Enter text in both panels above and click Compare to see differences. How to Use the Text Diff Checker Paste your original text into the left panel (labeled A). Paste your modified text into the right panel (labeled B). Click Compare (or press Ctrl+Enter) to generate the diff. Review the results: Lines highlighted in green (with +) were added in the modified text. Lines highlighted in red (with -) were removed from the original. Lines with no highlight are unchanged. Use the statistics bar to see a quick summary: lines added, removed, unchanged, and an overall similarity percentage. Options explained: ...