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Chapter 15. JPEG Format > Creating JPEGs

15.6. Creating JPEGs

Because JPEG is a standard file format, it is supported by all the popular graphics tools. Adobe Photoshop, JASC Paint Shop Pro, Adobe ImageReady, and Macromedia Fireworks all provide similar options for saving JPEGs.

Each tool provides sliders for controlling quality/compression ratios, although they use different numbering systems. Adobe products use a 0-10 compression scale, with the lowest setting corresponding to around 30 on the standard scale of 1-100. Paint Shop Pro uses a scale from 1 to 100; however, it works as the inverse of the standard scale with lower numbers corresponding to higher image quality and less compression. Fireworks uses a percentage value from 1 to 100%.


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