File format suffixes

Illustrator Draftsman 3 & 2 - Volume 3 Executionable Practices
Page Navigation
414

File Formats, Continued Graphics images file format (GIF or GIFF) Joint photographic experts group (JPEG or JPG) File format suffixes File compression GIF or graphic images file formats are display bit maps without the high resolution required for editing. GIF is used for display and exchange among users in subscription networks connecting vast networks of computers such as the Internet and the world wide web. JPEG or JPG is a standardized image compression mechanism written by the Joint Photographic Experts Group for maximizing file compression of files intended for use as a Usenet or world wide web photo format. JPEG works best with full-color or grey-scale images such as photographics and continuous-tone art. JPEG has difficulty reproducing sharp lines and extreme contrasts. JPEG files also display a loss in image quality with subsequent conversions. Common three-letter file format extensions attached to file names include the suffixes in the following chart: Format Suffixes American Standard Code for Information Interchange (ASCII) .txt Encapsulated Postscript File Formats (EPSF or EPSF) .eps Graphics Image File Format (GIF or GIFF) .gif Joint Photographic Experts Group (JPEG or JPG) .jpg Raster Image File Format (RIF or RIFF) .rif Tagged Image File Format (TIF or TIFF) .tif When documents or images require more storage space than the disk has, compress the file to fit. Compressing files is a way to store back-up material, free hard drive space, and save time transferring files. Many programs are able to compress files and there are specific file compression software programs available. Compressed files must be expanded before use. Compressing and expanding files does not affect resolution. File compression is sometimes referred to as stuffing and unstuffing. 8-36

Privacy Statement
Press Release
Contact