Paste two versions of any text or code and see exactly what changed — line by line, with word-level highlights.
Or drop two files onto the boxes.
Side by side or inline, ignoring whitespace or case if you like.
As a unified diff for a code review or ticket.
No. The comparison runs in your browser.
Up to about 5 MB each. Very large files are compared line by line only.
Turn on “Format JSON first” and both sides are sorted and pretty-printed before comparing.