JPEG2000 – This version of the JPEG format supports 16 Bits/Channel and alpha channels and produces less image artifacts than the standard JPEG compression but uses a more complex list of saving options than the standard JPEG format. Photoshop CS3 supports the file format but it is not available as part of the ‘Save for Web’ options. | essential skills photoshop CS3 Format Compression Color modes Layers Transparency Uses RAW No Unprocessed No No Master file JPEG Yes RGB CMYK Grayscale No No Internet and camera format compressed JPEG2000 Yes RGB CMYK Grayscale No No Internet and archival Photoshop No RGB CMYK Grayscale Indexed color Yes Yes Master file modified TIFF Yes RGB CMYK Grayscale Yes Yes Commercial printing and generic camera format lossless GIF Yes Indexed color No Yes Internet graphics and animations DNG Yes P 1 No No Archival format for storing original RAW and metadata JPEG2000 - This version of the JPEG format supports 16Bits Channel and alpha channels and produces less image artifacts than the standard JPEG compression but uses a more complex list of saving options than the standard JPEG format. Photoshop CS3 supports the file forniat but it is not available as part of the Save for Web options. PSD Photoshop Document - This is the default format used by the Adobe image-editrng software. A Photoshop document is usually kept as the master file from which all other files are produced depending on the requiremente oOtheoutput device. The PSB format is another version of PSD and is designed specifically for creating documents larger than 2GB. TIFF Tagged Image File Format This hfsbtenthe induttty standodfor images destined for publishing magazines and books etc. . TIFF uses a lossless compression no loss of image data or quality called LZW compression . Although preserving the qualiov ofthe image LZW compression is only capable of compressing images by a small amount. TIFF files now support layers and transparency that can be real by other Adote software peoducts such at InDesign. GIF Graphics Interchange Format This format is used for logos and images with a small number of colors and is very popular with web professionals. It is capable of storing up to 256 colors animation and areas of transparency. It is not generally used for photographic images. DNG Digital Negative Format The DNG
