How to resize all images to (768 X 400) at Once?

Hi there,

Are you wanting to resize featured images or images in the content or both ? As there is no magic button that does that kind of thing.

I want to resize content images to 768 X 400.

When those images were added to the site - did you set an attachment size ? eg. Full, Large etc ?

Maybe share a link to a post where i can take a look

https://wikisewa.com/

I checked a few posts in your site and i could only see the Featured Image at the top of the posts.
You can resize the featured images like so:

1. Customizer > Layout > Blog --> Featured Images - select the Posts tab.
2. Set the Media Attachment Size to Medium Large.
3. Set the Height to 400

Thank You! David.

Glad to be of help