LeakCheck is described as 'Offers a search engine with a database of more than 7 billion leaked records. Users can search for leaked information using email addresses, usernames, phone numbers, keywords, and domain names. Our goal is to safeguard the data of people and companies' and is a Data Breach tool in the online services category. There are more than 25 alternatives to LeakCheck, not only websites but also apps for a variety of platforms, including Windows, Linux, Self-Hosted and Mac apps. The best LeakCheck alternative is Have I Been Pwned, which is free. Other great sites and apps similar to LeakCheck are Data Breach Observatory, Mozilla Monitor, Intelligence X and DeHashed.