Text Diff Checker
Compare two small blocks of text line by line and see additions and removals.
Runs in your browser. No signup or cloud computer.
43 / 100,000
Result
Your result will appear here. The input stays in this browser tab.
How to use it
Separate the old and new text with a line containing three hyphens to produce a line diff.
Try this example
first line old line --- first line new line
What to check
This is a line comparison, not a semantic review or merge-conflict resolver.
Review the result before using it in a published page, application, or agent configuration.
Related free tools
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