Even back-dates deal for purchases as long as 15 years ago.
Online retailer Amazon has introduced AutoRip, a new service which will gives customers free MP3 versions of CDs that they purchased at any point of time since 1998.
AutoRip features include free digital copies, free storage and backup as well as a bit rate of 256 Kbps MP3 audio quality.
Users can play music on devices such as the Kindle Fire, Android phone or tablet, iPhone, iPod touch, Samsung TVs, Roku, Sonos, or any web browser.
AutoRip, which currently has some 50,000 albums in its database, plans to add more albums in the future.
Amazon.com founder and CEO Jeff Bezos said: "What would you say if you bought music CDs from a company 15 years ago, and then 15 years later that company licensed the rights from the record companies to give you the MP3 versions of those CDs... and then to top it off, did that for you automatically and for free?
"Well, starting today, it's available to all of our customers - past, present, and future - at no cost. We love these opportunities to do something unexpected for our customers," Bezos said.
In December 2012, a survey from ForeSee revealed that Amazon topped in customer satisfaction among the retail websites during the holiday shopping season between Thanksgiving and Christmas.