This app allows you to create animated GIFs from videos directly in the browser. 
Video to GIF is a app to extract part of a video to an animated GIF file. 
It can convert popular video formats to gif, including webm, mp4, m4v, ogv, mkv (formats supported by your browser). 
This app was designed to make this entire process extremely easy for you. The interface is very user-friendly and easy-to-use. Your GIF will be easy to share on the web.

You can open a video file from your computer and your Google Drive. Provides connect with Google Drive. You can directly use this app with your drive. 

*How use it? 
Open a video file -> Adjust the starting time and other options -> Capture Frames -> Compile to GIF