FileProInfo.com is the file information database of over 15,000+ file types, software, free online apps/tools, so tools, guest blogs, videos, and images.
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Found great information about file extensions, software and also found the relative free online tools.
Convertio - File Conversion in the Cloud
IObit Software Updater - IObit is an application that updates the software of your PC to keep all the software properly working.
File-Extensions.org - Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.
UCheck - UCheck is a tool that will help you to keep your software updated.
FileInfo.com - FileInfo is the central file extensions registry and contains a database of over 10,000 file types.
HEIMDAL FREE - HEIMDAL FREE is an application to automate your device software updates in order to improve your security.