This code will crop the image based on all white and transparent pixels from around the image public static Bitmap CropWhiteSpace(Bitmap bmp) { int w = bmp.Width; int h = bmp.Height; int white = 0xffffff; Func< int , bool > allWhiteRow = r => { for ( int i = 0; i < w; ++i) if ((bmp.GetPixel(i, r).ToArgb() & white) != white) return false ; return true ; }; Func< int , bool > allWhiteColumn = c => { for ( int i = 0; i < h; ++i) if ((bmp.GetPixel(c, i).ToArgb() & white) != white) return false ; return true ; }; int topmost = 0; for ( int row = 0; row < h; ++row) { if (!allWhiteRow(row)) break ; topmost = row; } int bottommost = 0; for ( int row = h - 1; row >= 0; --row) { if (!allWhiteRow(row)) break ; bottommost = row; } int leftmost = 0, rightmost = 0; for ( int col = 0; col < w; ++col) { if
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