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.
groupquality.comSoftware by GQTool Pty Ltd
I must say I have found https://fileproinfo.com the best online and free file converter ever.
Everything about files, software and free online tools.
Found great information about file extensions, software and also found the relative free online tools.
Convertio - File Conversion in the Cloud
AirMason - Employee Handbooks Done Right. Start from a template and send a beautiful employee handbook that they actually want to read. Publish digitally or as a PDF.
File-Extensions.org - Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.
FileInfo.com - FileInfo is the central file extensions registry and contains a database of over 10,000 file types.
Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
FILExt - Open, view and convert files online