TinyURL is a good option to turn your long URL to a shorter URL and it will not break in email postings and never expires.
The following URL:
has a length of 41 characters and resulted in the following TinyURL which has a length of 25 characters:
TinyURL helps you to hide your affiliate URLs too. Many affiliate link has the ID or username behind the URL such as http://affiliatesite.com/refferal=123456
Get your TinyURL here:
TinyURL is a totally free service to keep your URL short and it’s a great tool for your affiliate links to look “better” and hence increase your conversion rate.