- Does this compare word by word or character by character?
- Word by word — it treats whitespace and punctuation as their own tokens too, so a single changed word shows as just that word, not the whole surrounding sentence.
- Can I compare code, not just plain text?
- Yes, though this is a general word-level comparison, not a code-aware diff — it won’t understand syntax, just the text itself.
- Is there a limit to how much text I can compare?
- No hard limit, but very large documents (many thousands of words) will take a moment longer, since the comparison happens in your browser rather than on a server.