Text Diff Viewer
Compare two text files or logs side-by-side to highlight additions and deletions. Fast, free, and fully client-side. Nothing is uploaded to a server.
Visual Diff Comparison
Enter text in the left and right inputs to see changes...
How the Text Diff Viewer Works
Compares two text blocks or code snippets side-by-side or inline, highlighting additions, deletions, and line-level changes with colored visual indicators.
Usage Example
Paste Original and Modified text to instantly review diff patches and line modifications.
Frequently Asked Questions
Does any text leave my browser during diffing?
No. The diff computation runs 100% locally on your device in your browser memory.