nonogram sum in Chrome with OffiDocs

DESCRIPTION

sum up rows and columns, including if they have spaces

Works only in https://www.nonograms.org/
Works for "Black & white" and "Colour" nonograms.

- Sums rows and columns of nonogram including possible spaces.
- Green background if its possible to start filling using overlap method.
Source code: https://github.com/intta/nonogram-sum

nonogram sum web extension integrated with the OffiDocs Chromium online