URL Shortner is benificial for Bookmarking or Not in SEO?

I think its good. Some where we get traffic.

Url Shorter is a tools for browser to open multiple link in a little bit time. this is can't store your link information So this is not useful for digital SEO.

@Sheikh Umer -- can you give the reason

not beneficial in SEO

Thank you for your suggestions.

i think not benificial for bookmarking and seo. its my own answer

i think it is black hat technique.

Is a Black Hat OR White Hat?

Url sorter is not impprtant for doing bookmarking.