With Aiseesoft Video Converter Ultimate, you can choose the option of "Automatically Convert to" to the choose the output format you need when downloading the online video.
![Convert Format](/images/video-downloader/convert-format.jpg)
You can convert your online video to popular formats: MP4, AVI, MPG, MKV, WMV, M4V, MOV, etc. It also allows you to extract original audios from online videos and save them as MP3, M4A, AC3, AAC, WMA, OGG, APE, FLAC and etc. It's the all-inclusive online video/audio converter.
The converted video or audio can be playable on multiple portable devices such as iPhone 11/X/8/8 Plus/7/7 Plus/6/6 Plus/5S/5C, iPad Pro, iPad mini 4/Air 2, Samsung and Sony, etc.