Digital Image Files

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What is a raster graphic?

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Raster graphics are images made up of pixels, which lose quality when scaled up in size and include JPEG, PNG, and GIF.

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What are vector graphics?

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Created with anchor points and segments, vector graphics are infinitely scalable images based on mathematical formulas rather than square pixels.

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What is a JPG?

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JPEGs (Joint Photographic Experts Group)

Used for screen and print images typically containing millions of colours like digital photos. They offer smaller file sizes compared to PSD and TIFF.

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What is a PNG?

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PNGs (Portable Network Graphics)

Used for screen only images, PNGs are typically composed of up to 256 colours, they support transparency and provide high-quality compression without affecting the quality of the image.

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What is a GIF?

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GIFs (Graphics Interchange Format)

Primarily used for short animations containing limited colours. Great for sharing on the web or screen.

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What is an SVG?

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SVGs (scalable vector graphic)

Can be scaled without losing quality and offer very low file sizes, making them perfect for the web and can also be printed.

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What is an AI file?

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Adobe Illustrator (ai.) is a format primarily used as for editing vector shapes.

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What is a PSD?

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PSDs (Photoshop Documents)

Photoshop's most versatile file format for editing original, layered artwork.

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What is an INDD?

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INDD (InDesign Document)

Used for creating multipage publishing documents containing images and text,

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What is image compression?

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Compression is a process that reduces image file sizes smaller.