You can send free SMS to any country in the world without registration or login.
At first click this link: -
-Click more country
-Select your country
-Then you see a new window
-And type your mobile number to “From” box.
-Select your destination (country name).
-Type receiver mobile number with country code in third blank box.
-Write SMS in “Message” box.
-Then press “Send SMS” button to send SMS.
-You will see a confirmation message.
-In this process you can send huge SMS.