Text Diff
③ Data / Text
What it is: Compare two texts side by side and mark which lines were added, removed, or changed.
When to use: When comparing two versions of a config/code/copy to see what differs.
Diff result
Everything runs locally in your browser — nothing is uploaded.
FAQ
Does it compare by line or by character?
By line, using the longest common subsequence (LCS) algorithm to find line-level additions and deletions. This is the most intuitive way to compare versions of configs, code and copy.