Is there a diff tool that allows copy-paste

Is there a diff tool that allows you to paste two segments of text and get a diff? I can't use an online tool because I'm dealing with proprietary data, and I haven't found a tool that provides that feature.

Solution

Try WinMerge. It'll do that.

Steps:

Download and install winmerge
Open WinMerge & Create new <CTRL+N>
Paste into left & right, then refresh <F5>

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