FILE FORMATS/PROPERTIES - L03 Be able to produce pre-production documents (Creative iMedia - OCR)


File formats and their properties

Key points:

  • The file format will typically be determined by the software used to create the document
  • The general rule is to save pre-production files in the standard format for the software being used and then export them into a format that can be viewed on a different computer system 
  • Final media products format will be determined by the client requirements, intended platform and what type of media products is being created

Image file formats:

[ jpg ] 

  • Provides lossy compression to reduce the file size at the expense of image quality
  • Widels used with digital cameras on websites


  • Reduces image quality with higher compression settings

[ png ]

  • Provides lossy compression and supports transparency
  • Intended for web use as an alt of .gif files


  • Not as widely supported (or popular) as jpg

[ tiff ]

  • Very high quality lossless image files
  • Used in igh quality printed but is losing popularity


  • Large files that restrict transfer and distribution

[ pdf ]

  • An export format from image editing softwares which cannot be edited further
  • Used with documents and print products eith image content


  • Cannot be edited directly
  • To edit you must have access to the original file format before being exported

[ gif ]

  • Provides small file sizes and supports transparency as well as animation
  • Used in website pages for buttons, logos and other basic graphics


  • Limited range


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