Image File Types

Image File Formats

JPEG (JPG) Jay-Peg
Pros

• Most common file type.
• Uses compression to reduce file size.
• Can use different amounts of compression.
• Good for photo that needto have a smallish file size.

Cons

• The more it is compressed the smaller the file will be the poorer the image quality will be.
• Uses a lossy compression technique.
• Not so good for saving something that you will want to work on again.

GIF (Graphics Interchange Format)

Pros

• Good for drawings/ line art.
• Pretty Good image sizes. 

Cons

• Not so good for photos (256 colours max).
• Lossless format.





 PNG (Portable Network Graphics)

Pros

• Good for photos
• Transparency
• Lossless compression-images that keep their quality

Cons

• Larger file sizes
• Doesn't store any additional information

PSD (PhotoShop)

Pros

Very high quality.

Stores a lot of information with the image filesuch as..

• Layers
• Masks
• Transparency

Cons

Lossless compression



 TIF (Tagged Image File)

Pros

• Can store information along with the image.
• High Quality

Cons

• Large file sizes
• Usually uses a lossless compression format.

BMP (short for Bitmap)

Pros

High quality

Cons

Doesn't use any compression at all, so big files!

Only really used by Microsoft /Microsoft Paint