7 Best Real-ESRGAN Alternatives (Self-Hosted)

Real-ESRGAN is a powerful open-source image super-resolution tool developed by TencentARC that uses Generative Adversarial Networks (GANs) to upscale and enhance images with remarkable quality. With over 36,000 GitHub stars, it has become the go-to solution for AI-powered image enhancement. Real-ESRGAN can upscale images by 2x, 3x, or 4x while restoring fine details, removing noise, and sharpening edges. It includes specialized models for anime and digital art (RealESRGAN_x4plus_anime) and a dedicated face enhancement module (GFPGAN) for restoring facial details in low-resolution photos. The tool supports batch processing, custom model training, and can be deployed via Docker or Python API. It runs on consumer GPUs with 4GB+ VRAM and also supports CPU-only inference.