👉 The postcard fluid is a sophisticated, high-resolution image format designed for digital photography and web use, offering a balance between file size and image quality. Developed by Adobe, it allows photographers to capture and share images with a pixel density of up to 300 DPI, resulting in incredibly sharp and detailed photographs that are ideal for both print and digital displays. This format supports a wide range of applications, from professional photography to casual social media sharing, ensuring that images retain their clarity and detail regardless of the viewing context. The postcard fluid's efficiency in file size also makes it a preferred choice for web developers and content creators looking to optimize load times without sacrificing image quality.