How Do I Convert a 15 Digit Salesforce ID Into 18 Digit Salesforce ID?

The easiest way to convert a 15 digit Salesforce ID to 18 digit Salesforce ID is to use the Salesforce.com ID Converter extension in Google Chrome. 

1.  Click the link above and select 'Free'. 

2.  To confirm that you want to add 'Salesforce.com ID Converter', click 'Add'.

3.  When done, you will see an 'S' icon on the upper right side of your Google Chrome browser.   

How to use the Salesforce ID converter

Click the 'S' icon, then enter the 15 digit Salesforce ID and click 'Convert'.