- #How to convert winrar zip arcive mac os x
- #How to convert winrar zip arcive zip file
- #How to convert winrar zip arcive archive
Compression rates of 100:1 can be achieved, although the loss is noticeable at that level.
JPEG involves a lossy compression mechanism using discrete cosine transform (DCT). JPEG is a joint standard of the International Telecommunications Union (ITU-T T.81) and the International Organization for Standardization (ISO 10918-1). JPG is a graphical file format for editing still images, it offers a symmetrical compression technique which is processor intensive and time consiming in both compression and decompression. JPG Converter View other image file formats The JPG file is a great format as it often manages to compress files to 1/10 of the size of the original file which is especially good for saving on bandwidth. The JPG format is often used in digital camera memory cards. The resultant 'lossy' file means that quality can never be recovered. JPG's are often used for web sites and email as they are generally smaller file sizes as they are lossy meaning that some image quality is lost when the JPG is compressed and saved. IWork 05 programming guide Keynote details on Wikipedia Information on iWork Keynote mime formats More information from Apple on iWork KEY.ZIP Converter In general Keynote files cannot be opened by programs other than iWork.Īpple iWork '05 Apple iWork '08 Keynote 1.0 Keynote 2.0 Keynote 3.0 Keynote 4.0Īpplication/x-iwork-keynote-sffkey application/ Official file format specifications for iWork '05-'08 Keynote files are not published by Apple but there have been attempts by some developers to reverse engineer them.įiles created by Keynote in iWork '05 - '08 are not compatibile with the most recent versions of iWork.
#How to convert winrar zip arcive archive
If you have an archive that you cannot open because you don't have the correct software installed, try converting it to a format you can open. Archives are created by programs such as WinZIP, WinRAR, 7zip, GZIP, BZIP2, and many others. KEY.ZIP to JPG - Convert file now View other document file formats Convert your compressed archive files between various compressed formats. Keynote was first released by Apple in January 2003 and began life as a program used by Steve Jobs when creating presentations for the MacWorld Conference and Expo.
#How to convert winrar zip arcive mac os x
Keynote is one of 3 programs which make up Apple's iWork office suite, a set of applications which run on the Mac OS X and iOS operating systems, also including Numbers (for spreadsheets) and Pages (for word processing). The key.zip format is distinct from the key file produced by more modern versions of iWork which is a single file (and so does not need to be compressed).
#How to convert winrar zip arcive zip file
Technically speaking the files produced are packages, but since it is not possible to upload a package to a web service (as they are multiple files) Zamzar recommends compressing them into a ZIP file before upload. key.zip file extension are presentation documents which are generated by Apple's "Keynote" application in versions 1.0, 2.0, 3.0 and 4.0 (these versions of the software were released between 2003-2007).
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