How can I make all images on my collection pages the same size and ratio?

[H_Grunbuam]

Hi, can someone help me how i can have all the images on my collection pages be the same exact size and ratio? thank you. my url is hosierama.com

[Developer-G]

Hello @H_Grunbuam ,

Try to use same size of images and it will fixed automatically. 
If you can't then you can search for the app.

Thanks

[H_Grunbuam]

Thank you for replying. I can't change the size of all items now. I am looking for a quick fix. any ideas of an app or coding that would do the job?

[dmwwebartisan]

@H_Grunbuam 

App Link for help : https://apps.shopify.com/resize-image-and-optimize