Try VideoProc Convert AI, you can dramatically improve the quality of low-resolution videos by enlarging the pixels and scaling by 200%, 300%, or 400% up to 4K resolution, so you can enjoy crisp videos on a bigger screen. It also restores old, noisy, grainy and compressed videos, making them look sharper.
Compared to traditional upscaling methods, this AI technology ensures a more natural result without artifacts and loss of detail.