• We can make a file smaller by compressing it (unless it is already compressed, then it gets larger)
• File compression can make files harder to use in Web documents, but the smaller size makes them faster to download. A good rule of thumb is that when the file is MB is size, compression will have a large impact.
• Many file formats have compression built in, including,
programs - installation programs are normally compressed
• Typical compression formats include,
zip - zip, medium range compression
Stuffit - A Mac compression format
• Some files, such as text, will become 1/10 of their original size.