Videotoolbox is a feature-rich online tool to edit videos. You can convert videos to different formats, split videos, demux files (extract audio, video, subtitles), create thumbnails, add subtitles, add audio, crop video, add watermark and merge videos using this application.
Sign up is required to use this service. Once you sign up and activate your account, you can start uploading and editing videos.
After logging in, click on File manager link given on the left pane. Browse for files and click upload button to upload the file. Videotoolbox will upload the file on its server.
