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Uploading the zipped file to dropbox and unzipping it inside would save a lot of time and traffic for users. Some of the web services already exist for that (like this one http://www.quora.com/Is-the...
It would be really nice to be able to go into the Dropbox website or other UI, select a folder or set of files, and do "compress" or "zip". I'm currently in the process of zipping a bunch of archival material in my Dropbox to reduce file count and that would be a huge help, insteading of having to re-upload a big zip file, then delete the old files.
RE: "It would be really nice to be able to go into the Dropbox website or other UI, select a folder or set of files, and do "compress" or "zip." If this has not been addressed or seen by the Dropbox Team yet I, too, would like to have this feature. I believe it will benefit Dropbox's users, too. Upvoting.