Free AI tools to generate images

The best free, open-source AI tools to generate images are ComfyUI, Stable Diffusion web UI, InvokeAI, and Fooocus. Each one is free, scored, and labeled with what it takes to run.

I want to…

make AI video generate images upscale or restore a photo remove a background transcribe audio or video turn text into speech clone or change a voice make music chat with AI privately chat with my documents write code with AI build an AI agent or workflow train or fine-tune a model write stories or role-play

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Images4.8

ComfyUI

Build image and video generation workflows by connecting blocks, with full control over every step.

Some setup
Windows · Mac · Linux

Code: Open source, GPL-3.0
Models: Open weights, your choice
Runs: On your computer
Real cost: Free

Get it

Images4.6

Stable Diffusion web UI

The classic browser interface for generating images with Stable Diffusion on your own computer.

Some setup
Windows · Mac · Linux

Code: Open source, AGPL-3.0
Models: Open weights, your choice
Runs: On your computer
Real cost: Free

Get it

Images4.3

InvokeAI

A polished creative studio for image generation, with a canvas, layers, and tools aimed at artists.

Easy install
Windows · Mac · Linux

Code: Open source, Apache-2.0
Models: Open weights, your choice
Runs: On your computer
Real cost: Free

Get it

Images4.2

Fooocus

Image generation with almost no settings: type a prompt and get a good picture.

Easy install
Windows · Mac · Linux

Code: Open source, GPL-3.0
Models: Open weights
Runs: On your computer
Real cost: Free

Get it

Images4.1

Krita AI Diffusion

Adds AI generation, inpainting, and live painting to Krita, the free painting app.

Some setup
Windows · Mac · Linux

Code: Open source, GPL-3.0
Models: Open weights
Runs: On your computer
Real cost: Free

Get it