Text Editor
Typography & TextNewDistraction-free Markdown writer
Input type: written text
Paste text on both sides to see the differences.
contributed by Pranav K with some tweaks: word wrap toggle with synced line numbers, flat typed array for the lcs table, deferred diff computation, file size cap, and a few accessibility fixes.
Have a sticker! Peel it off to download.
Chaos report
You asked for Text Editor. We used Text Diff instead — both accept written text.