Want to upscale video to 4K and make old or low-resolution footage look sharp on modern screens? You’re not alone. With today’s AI tools, learning how to upscale a video to 4K is simpler than ever—no pro editing skills required.

Unlock crystal-clear videos—discover the top 5 AI video sharpeners for Windows, Mac, iPhone, Android & web. See effect comparisons, step-by-step tutorials & expert picks for any blurry footage.

AVCLabs is usually the better choice for users who want a simple, automated, and budget-friendly tool, especially since it offers both subscription and lifetime plans for photo and video enhancement. Topaz, on the other hand, is ideal for those who need detailed control, advanced tools like stabilization and motion deblur, and are willing to pay for a more premium, feature-packed program, even if it comes with a more complex, node-based interface.

This review compares UniFab AIl-In-One and Topaz Video AI, covering features, performance, pricing, and user experience. Whether you're a professional or casual user, this guide will help you decide between Topaz AI and UniFab AI.