df
Text Diff
Compare two text blocks line by line in the language you pick — Python's
difflib, DiffPlex (C#), go-diff (Go) or a hand-written Myers diff in C++ —
each running in WebAssembly in a sandbox in your browser. Python matches differently
from the Myers-based three, so the same texts can pair lines differently.
Left
Right
Diff Results
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Build the sample diff to see a side-by-side view.