Text tool
Text Difference Checker
Compare two text blocks line by line to identify additions, deletions and unchanged lines.
USING THIS TOOL
How Text Difference Checker helps
Paste the older version on the left and the new version on the right.
Method and assumptions
Uses a longest-common-subsequence comparison, with an input limit to keep large comparisons responsive.
Example
Use it to compare configuration changes or revised copy before publishing.
Know the limits
Check your inputs and verify important financial, health, legal, educational or property decisions using the relevant professional or official source. Results depend on stated assumptions.