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Text and Code Difference Viewer

Compare text privately with readable line and word changes.

This calculator runs in your browser. Nothing is sent to a server.

Original

Changed

View

Ignore whitespaceIgnore whitespace

Changes comparison semantics for some code. Default preserves exact text.

Ignore caseIgnore case

Word diffWord diff

Output

How it works

Processing stays in this browser tab. Source files are not uploaded. Export is a new copy; originals are not overwritten.