Browser-Based Comparison

Compare two files and inspect every change.

Upload two text files or paste content manually. The checker highlights added, removed, changed, and unchanged lines side by side.

Inputs 2 files
Output Line diff
Runs Fully local

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Original file

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Updated file

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Diff result

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Added Removed Changed Unchanged
Added 0
Removed 0
Changed 0
Unchanged 0

Original

The left side of the comparison appears here.

Updated

The right side of the comparison appears here.