Web3.99U! is fully functional download manager. It combines offline browser, site grabber and file download manager. Web3.99U! can download several files from one server at once, restore loading after connection was broken and close Internet connection after all tasks have been finished. Web3.99U! encrypts personal data with cryptographic algorithm, supports independent multi user mode. Web3.99U! can download large files from site download or site grab tasks separately from main process.