Convert column-based font.h into row-based font. I just needed to do this once so I just printed the converted array to the screen. I took font.h from here: https://github.com/radikaldesig/Arduino-POV-minimalist/blob/master/Arduino%20code/fonts.h

pyfont.py

a = [[0x00,0x00,0x00,0x00,0x00],[0x00,0x00,0x6f,0x00,0x00],[0x00,0x07,0x00,0x07,0x00],[0x14,0x7f,0x14,0x7f,0x14],[0x00,0x07,0x04,0x1e,0x00],[0x23,0x13,0x08,0x64,0x62],[0x36,0x49,0x56,0x20,0x50],[0x00,0x00,0x07,0x00,0x00],[0x00,0x1c,0x22,0x41,0x00],[0x00,0x41,0x22,0x1c,0x00],[0x14,0x08,0x3e,0x08,0x14],[0x08,0x08,0x3e,0x08,0x08],[0x00,0x50,0x30,0x00,0x00],[0x08,0x08,0x08,0x08,0x08],[0x00,0x60,0x60,0x00,0x00],[0x20,0x10,0x08,0x04,0x02],[0x3e,0x51,0x49,0x45,0x3e],[0x00,0x42,0x7f,0x40,0x00],[0x42,0x61,0x51,0x49,0x46],[0x21,0x41,0x45,0x4b,0x31],[0x18,0x14,0x12,0x7f,0x10],[0x27,0x45,0x45,0x45,0x39],[0x3c,0x4a,0x49,0x49,0x30],[0x01,0x71,0x09,0x05,0x03],[0x36,0x49,0x49,0x49,0x36],[0x06,0x49,0x49,0x29,0x1e],[0x00,0x36,0x36,0x00,0x00],[0x00,0x56,0x36,0x00,0x00],[0x08,0x14,0x22,0x41,0x00],[0x14,0x14,0x14,0x14,0x14],[0x00,0x41,0x22,0x14,0x08],[0x02,0x01,0x51,0x09,0x06],[0x3e,0x41,0x5d,0x49,0x4e],[0x7e,0x09,0x09,0x09,0x7e],[0x7f,0x49,0x49,0x49,0x36],[0x3e,0x41,0x41,0x41,0x22],[0x7f,0x41,0x41,0x41,0x3e],[0x7f,0x49,0x49,0x49,0x41],[0x7f,0x09,0x09,0x09,0x01],[0x3e,0x41,0x49,0x49,0x7a],[0x7f,0x08,0x08,0x08,0x7f],[0x00,0x41,0x7f,0x41,0x00],[0x20,0x40,0x41,0x3f,0x01],[0x7f,0x08,0x14,0x22,0x41],[0x7f,0x40,0x40,0x40,0x40],[0x7f,0x02,0x0c,0x02,0x7f],[0x7f,0x04,0x08,0x10,0x7f],[0x3e,0x41,0x41,0x41,0x3e],[0x7f,0x09,0x09,0x09,0x06],[0x3e,0x41,0x51,0x21,0x5e],[0x7f,0x09,0x19,0x29,0x46],[0x46,0x49,0x49,0x49,0x31],[0x01,0x01,0x7f,0x01,0x01],[0x3f,0x40,0x40,0x40,0x3f],[0x0f,0x30,0x40,0x30,0x0f],[0x3f,0x40,0x30,0x40,0x3f],[0x63,0x14,0x08,0x14,0x63],[0x07,0x08,0x70,0x08,0x07],[0x61,0x51,0x49,0x45,0x43],[0x3c,0x4a,0x49,0x29,0x1e],[0x02,0x04,0x08,0x10,0x20],[0x00,0x41,0x7f,0x00,0x00],[0x04,0x02,0x01,0x02,0x04],[0x40,0x40,0x40,0x40,0x40],[0x00,0x00,0x03,0x04,0x00],[0x20,0x54,0x54,0x54,0x78],[0x7f,0x48,0x44,0x44,0x38],[0x38,0x44,0x44,0x44,0x20],[0x38,0x44,0x44,0x48,0x7f],[0x38,0x54,0x54,0x54,0x18],[0x08,0x7e,0x09,0x01,0x02],[0x0c,0x52,0x52,0x52,0x3e],[0x7f,0x08,0x04,0x04,0x78],[0x00,0x44,0x7d,0x40,0x00],[0x20,0x40,0x44,0x3d,0x00],[0x00,0x7f,0x10,0x28,0x44],[0x00,0x41,0x7f,0x40,0x00],[0x7c,0x04,0x18,0x04,0x78],[0x7c,0x08,0x04,0x04,0x78],[0x38,0x44,0x44,0x44,0x38],[0x7c,0x14,0x14,0x14,0x08],[0x08,0x14,0x14,0x18,0x7c],[0x7c,0x08,0x04,0x04,0x08],[0x48,0x54,0x54,0x54,0x20],[0x04,0x3f,0x44,0x40,0x20],[0x3c,0x40,0x40,0x20,0x7c],[0x1c,0x20,0x40,0x20,0x1c],[0x3c,0x40,0x30,0x40,0x3c],[0x44,0x28,0x10,0x28,0x44],[0x0c,0x50,0x50,0x50,0x3c],[0x44,0x64,0x54,0x4c,0x44],[0x00,0x08,0x36,0x41,0x41],[0x00,0x00,0x7f,0x00,0x00],[0x41,0x41,0x36,0x08,0x00],[0x04,0x02,0x04,0x08,0x04]]
# a[95][5] this is the format we got font.h in
# b[95][7] we want it in this format, rows instead of columns

b = [[0 for j in range(7)] for k in range(95)]

for index, character in enumerate(a):
	print index
	print character
	for i in reversed(range(7)):
	    b[index][i] = (character[0]>>i&1)<<4 | (character[1]>>i&1)<<3 | (character[2]>>i&1)<<2 | (character[3]>>i&1)<<1 | (character[4]>>i&1)<<0

print b