picture files not suitable for high compression ratio

來源: 2006-02-25 23:10:17 [舊帖] [給我悄悄話] 本文已被閱讀:

According to my knowledge, picture files like .jpg are already in compressed format. So it's unlikely that these files will become very small after processed by compression tools. Compression tools are most effective for text files like .doc etc.