FastSeek - the advanced search tool for targeted infomation, is designed to extract customized information (such as email addresses, phone/fax numbers, Zip code) from a batch of web sites or pages simultaneously. FastSeek is feature-rich. Pattern Customization with universal patterns are also built in for use directly. Multi-layer search. Target Search to search pages with special address patterns in the same site. Multi-task, Multi-thread - Fast multi-tasked and multi-threaded engine. It is able of running various jobs (and pages of each job) simultaneously. Ability to categorize results - Categorize search results to three types: good, bad and iffy. Another type for deleting items immediately is also supplied. Duplicate items are removed automatically. Ability to convert results - Do string replacement, case conversion and sort for search results.