After generating an image, post-processing helps to fix flaws, improve details, or increase resolution:

GFPGAN (Generative Facial Prior GAN):

• Specialising in face restoration.
• Fixes blurry or distorted facial features in AI-generated images.

CodeFormer:

• Another face restoration tool, good for enhancing small details and fixing artifacts.

Real-ESRGAN:

• AI-powered image upscaling tool.
• Increases image resolution while preserving or enhancing details.

Prompt Lens, CLIP Interrogator:

• Tools to analyse generated images and extract likely prompt keywords.
• Useful if you want to reverse-engineer how an image was created or improve your own prompts.