|WOFF format uses 16 or 32 bit integer with big-endian format. WOFF file extension uses different font versions that is indicated by a specific number that allows it to offset certain pieces of data entered and the number of entries in its table directory. The WOFF header contains a magic number without this number the signature is rejected. The WOFF file has a major version and a minor version that will input a specific font. WOFF has font table padding and no hidden data feature and makes sure the headers are correct. WOFF may include an extended metadata that is easy to access.