Aiarty AI Video Enhancer is a powerful offline desktop AI tool in 2026 for upscaling videos to 4K, denoising, deblurring, stabilizing via frame interpolation, color correction, and audio enhancement. It uses advanced Diffusion+GAN models (V3.4) for natural detail restoration on old, low-res, grainy, or blurry footage. Fully local processing ensures privacy, with free trial (watermarked/short clips) and lifetime one-time purchase plans—ideal for content creators, YouTubers, and restorers seeking fast, high-quality results without subscriptions.