CloudBrowser.co - A supremely flexible and reliable HTTP API that supports professionals and enterprise alike in the...
FileInfo.com - FileInfo is the central file extensions registry and contains a database of over 10,000 file types.
Microlink screenshot - Take a screenshot of any website
Convertio - File Conversion in the Cloud
Webshot - Free and Open Source screenshot website service
FILExt - Open, view and convert files online