Stable Diffusion

Stable Diffusion Online is a web-based AI image generator for hobbyists and creators who want to produce photo-realistic images from text prompts using Stable Diffusion XL (SDXL) without local installation.

Key capabilities include:

• Text-to-image generation with prompt controls that support styles, frames, and presets for more targeted outputs
• Inpainting to add or replace parts of an image
• Outpainting to extend an image beyond its original boundaries
• Prompt Database for discovering and searching over 9 million Stable Diffusion prompts

Pricing: Free.

What makes it notable is its browser-based SDXL workflow that avoids high-end hardware requirements, plus built-in prompt discovery for faster iteration when exploring styles and compositions.