Back to tools
Text Diff Merger
DeveloperCompare two text blocks line by line. See added, removed, and unchanged lines highlighted with stats.
ttb run text-diff-merger
Share this tool:
How to Use Text Diff Merger
Paste original text on the left and modified text on the right. Click Compare for a line-by-line diff with green additions and red deletions.
1
Paste texts
Enter original in the left box and modified in the right.
2
Compare
Click Compare to compute the diff.
3
Copy result
Click Copy merged result to grab the final text.
Frequently Asked Questions
What does the merge result contain?+
All unchanged and added lines — removed lines are excluded.
What algorithm?+
Longest Common Subsequence (LCS) — the same algorithm used by git diff.