Do not optimize images manually.
there are many tools from which you can optimize images.
You can go with the following options for image optimizations.
kindly Accept as a Solution if this works for you and give Kudos.
Thanks for your kind reply.
While opening the links I found that they
both are used for speed surges..
Is there any free resource available?
Thanks for replying to my querry.
I will try them and will let you know.
Will these tools improve the quality of images along with optimization.