Email Discoverer is an easy to use tool allowing to extract email adresses from the URLs generated by search engines such as Google, Yandex, Yahoo, MSN and others in response to any entered keywords. The tool also allows to enter the URL and reveal any email addresses written on the web pages within the domain. Using such parameters as deepness, length of link, page size etc. the email extraction process is very fast and effective. Although Email Discoverer allows to crawl thousands of email addresses within one hour even on a low specification personal computer, its multi-threading architecture takes an advantage of multi-processor computers and achieves really high performance characteristics. The extraction process is always under control thanks to the very detailed logger and a number of indicators defining current status of every task and allowing to monitor any activity within the system. Email Discoverer has a very user friendly interface allowing to create as many tasks as one needs, activate or deativate them, start or stop, suspend or delete without any troubles. The data export capability allows to output any extracted information to the CSV file for further use and analysis. 14-days trial period allows to try and investigate all the features of Email Discoverer while the Life time license provides free support and all coming updates for free to any commercial user.