Home SALESFORCEAPEX How to Convert 18 Digit Id to 15 Digit Id using Apex Class?

How to Convert 18 Digit Id to 15 Digit Id using Apex Class?

convert the Id to a String and using substring(startIndex, endIndex) its possible to convert from 18 digit Id to 15 Digit Id.
String AccountId = String.valueOf(Account.Id).substring(0, 15);

To convert it to 15 digits to 18 digits then you can simply set it to an Id type variable:

Id someId = ‘001J000001eun1Q’;
Which will automatically convert it for you:

system.debug(someId); // 001J000001eun1QIAQ
Then you can simply call the getSObjectType() method on the Id variable which will return the object name:

Schema.SObjectType objectType = someId.getSObjectType();
system.debug(objectType); // Account

Salesforce ID Converter
Converting 15 digit to 18 digit Salesforce ID

What is the difference between a 15 digit and a 18 digit Salesforce ID?
A 15 digit Salesforce ID is case sensitive. Ex:  00570000001ZwTi and 00570000001ZWTI are different.
A 18 digit Salesforce ID is case in-sensitive. Ex:  00570000001ZwTiXYZ and 00570000001ZWTIXYZ are same.

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