![]() ![]() People reviewing products should refrain from rubbishing them based on a total lack of understanding of what they do. Put them in a compressed archive and the space savings you will gain will be small to nil. The same is of course true of JPEG images, and other types of file that are inherently highly compressed to start with. A compression utility will sometimes gain a little space saving, but it’s unlikely to be much. In order to compress a PDF further you need to use some sort of PDF optimisation tool (such as that built into Acrobat) which will selectively discard unnecessary data, reprocess component images to a lower quality (as per your specifications), and so on. It depends entirely on the individual PDF, of course, but most will not compress very significantly if stored in an archive. ![]() Of COURSE this utility will have little effect on many PDF files, because PDF files are usually highly compressed to start with, and hence can’t be compressed much further by a straightforward compression utility like this. However, it appears to do its job, so please ignore the very ill-informed review that complains of its not being able to compress PDF files. It’s more of a specialised utility for those occasions when you may want to work on a large archive with a well-defined purpose and structure. it’s pretty good (if you really need that sort of functionality, which most people don’t), but it isn’t the utility I’d want to use for day-to-day convenient compression/decompression of archives. For working in detail on individual archives, viewing file hex dumps etc. Its main problem is that it can only use a single window at once, so you can only view the contents of one archive at a time, which is very limiting. This, to me, isn’t the greatest archive utility available.
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