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.
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
CloudConvert - convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.
File-Extensions.org - Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.
Zamzar - Free conversion online of many type of documents (images, text, video, audio...
FileInfo.com - FileInfo is the central file extensions registry and contains a database of over 10,000 file types.
PDF2Word (PDF to Word) - VeryPDF PDF to Word Converter is a powerful PDF converter which can convert PDF to Word, PDF to DOC/DOCX with high conversion quality.