Adobe Firefly's browser video editor now lets you import and trim footage, generate a new video clip inside the edit, add generated sound effects, balance audio, and export without moving to a desktop editor. A useful first test is to take the final frame of a real clip and use it as the reference for a generated gap-filling shot. 1
Use it when you need to patch one missing shot or assemble a quick social cut. Keep a full editor such as Premiere for complex timelines, detailed finishing, or projects that need deeper control.