Web image formats

The image file formats that are most commonly used on the web are listed below.

Classic image formats

These are the classic image formats universally supported in all web browsers

Intermediate

More recent additions to the list of browser-supported image formats:

Older/deprecated formats

Best avoided, these formats don't have wide support and have been replaced with better alternatives.

Modern image formats

Newer image formats enjoy much better performance than classic formats. Support is better than it was, and support is now almost universal amongst the most popular browsers.

AVIF and WebP are image formats that have superior compression and quality characteristics compared to their older JPEG and PNG counterparts. Encoding your images in these formats rather than JPEG or PNG means that they will load faster and consume less cellular data.


Updated 22/9/22

Converting to modern image formats

As Google and other search engines increasingly attribute page speed with quality, it is important that your website loads as quickly as possible. Depending on how heavily you use images on your website or ecommerce store it might be useful to consider options to switch your website to use modern image formats:


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