Image convert into bytes and save in sql

Question

Dear,

In java script how to Image convert into content bytes and save in sql.

I have data type is image in sql.

It this possible.

I tried to convert image to base64, but the disadvantage is size is too big 3 or 4 time from actual image.

what i want how we are using in asp.net to sql save image as content byte.

 

 

Thanks

Basit