About Diff Checker
Compare two texts side by side and see additions, deletions, and changes highlighted. Line, word, and character diff modes with synchronized scrolling and .patch file export.
Frequently Asked Questions
What do the colors mean in the diff output?
Green with + indicates additions, red with - indicates deletions. Unchanged text has no highlighting.
What is the difference between line, word, and character diff?
Line diff compares whole lines (best for code). Word diff compares individual words (good for prose). Character diff shows granular changes.