MPEG Streamclip is a more advanced tool suited for users needing extensive editing and conversion options, while Adapter offers a simpler, more user-friendly experience for basic file conversions and editing.
MPEG Streamclip
Pros:
Supports a wide range of video formats
Offers advanced editing features
Can convert files between different formats
Allows basic video editing like trimming and cutting
User-friendly interface
Cons:
Limited support for newer video formats
Not updated frequently
Requires QuickTime installation for some functionalities