JPEG
Technical Concepts

JPEG

A compressed image file format that reduces file size by discarding some image data.

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What is JPEG?

JPEG (Joint Photographic Experts Group) is the most common image format used in digital photography. It uses lossy compression, meaning it permanently discards some image data to reduce file size, which can result in a loss of quality, particularly with heavy compression or multiple saves. JPEGs are typically 8-bit files that support up to 16.7 million colors and are instantly ready for sharing, printing, or uploading to websites and social media. Most cameras offer various JPEG quality settings, allowing photographers to balance file size against image quality. While JPEGs are convenient and universally compatible, they offer less editing flexibility than RAW files, as they've already had in-camera processing applied, including white balance, sharpening, and contrast adjustments.

AI Prompting Tips

When creating AI images that simulate specific file formats, include 'JPEG quality' or 'JPEG artifacts' in your prompt for a more realistic digital photography look. For a clean, professional appearance, specify 'high-quality JPEG with no compression artifacts'. Alternatively, for a more authentic consumer camera aesthetic, try 'slightly compressed JPEG with subtle artifacts'. For artistic effects, you might request 'heavily compressed JPEG with visible compression artifacts' to simulate the look of images that have been repeatedly saved or shared online.

Example Prompts

"Portrait of a woman with beautiful bokeh background, soft evening light, professional photography"

"Street scene at night with jpeg effect, urban environment, neon lights, cinematic"

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