Internet Antivirus Services There are many good generic and specialized search engines. Google and Bing are well know. For online file searches there is an excellent search engine for Filesearch and download.

File extension information There are many file types in the web and one needs to know the Mime type. Often you do however only know the type of your file as given by your file extension. Then you need file extension information

Online antivirus services We all have exerience with virus infections and how important it is to avoid an infection. This is true for yourself but also for your desktop. Online virus scans, as provided by online malware check services are a good way to protec our digital devices.