SF Tools · Text Tools

🔀 Text Diff Checker

Compare two blocks of text and see exactly what changed. Additions highlighted in green, deletions in red. Choose word-by-word or line-by-line diff mode.

✓ Live Tool ✓ 100% Free 🔒 Runs in Browser
Original Text (before)
Modified Text (after)
+0 added -0 removed
Diff Output
Added
Removed
Unchanged
Paste text in both boxes above and click Compare →
About This Tool

Free Online Text Diff Checker

Find exactly what changed between two versions of any text — documents, code, articles or anything else.

Line & Word Diff

Choose Line by Line mode to see which lines were added or removed. Word by Word mode highlights individual word changes within each line.

Color-Coded Output

Additions are highlighted in green, removals in red. Unchanged lines are shown in muted colour so you can focus on what actually changed.

Use Cases

Compare document versions, review code changes, check article edits, spot plagiarism differences or track changes in any plain text content.