PixaromaComfyUI Course

Free on YouTube, for beginners

ComfyUI Course

Learn ComfyUI from the first install to images, video, audio and 3D. Start with Episode 1, then pick the part you need. Every episode comes with free workflows you can download and run yourself.

  1. Watch Episode 1 first. It teaches the basics in one long video.
  2. Pick a part below and watch its episodes in order.
  3. Download the workflows of each episode and try them in ComfyUI.

The course in 8 parts

39 episodes, about 20 hours

Part 1

Start here

1 episode, 4 h 49 min

Episode 1 teaches the basics in one long video. Watch it first, then pick any part below.

Part 2

Generate and edit images

11 episodes, 4 h 13 min

The image models, one episode each, oldest first. The newest models are at the bottom.

Video coming soon
Episode 224 minPart 2: ImagesYou can skip

ComfyUI Nunchaku Tutorial: Install, Models, and Workflows Explained

Install the Nunchaku node with the Easy Install script, choose int4 or fp4 models for your card, and run Z-Image, Qwen Image and Flux 1 Dev faster with less VRAM.

Suggestion: you can skip this one. Nunchaku has some problems now, and the INT8 models do the same job: faster images with less VRAM. INT8 works in ComfyUI itself, with no extra node to install. See Episode 25.

What is inside: 10 chapters
  1. What Is Nunchaku in ComfyUI
  2. Updating ComfyUI + Nunchaku System Requirements
  3. Installing the Nunchaku Custom Node
  4. Downloading Free Episode 02 Workflows
  5. Nunchaku Z Image + int4 vs fp4 + Comparison
  6. Nunchaku Qwen Image
  7. Nunchaku Flux 1 Dev
  8. Seed Variation
  9. Fixing Flux Data Type Errors
  10. Compare all 3 Models + Song :)
Video coming soon
Episode 428 minPart 2: Images

AI Image Editing in ComfyUI: Flux 2 Klein

Set up Flux 2 Klein (4B and 9B), build an image workflow from scratch, then change it into an edit workflow. Also covers inpainting with a mask and editing with two images.

Good to know: Both models ran on 6 GB of VRAM. Episode 9 shows the faster 9B KV version.

What is inside: the topics
  1. Flux 2 Klein 4B or 9B
  2. Download and place the models
  3. Build the image workflow from scratch
  4. Turn it into an edit workflow
  5. Compare before and after
  6. Edit ideas: background, style, logos, people
  7. Inpainting with the mask editor
  8. Edit with two images
Video coming soon
Episode 924 minPart 2: Images

FLUX.2 Klein 9B KV: Speed and Image Consistency in ComfyUI

Flux 2 Klein 9B KV makes edits from reference images faster. Learn background changes, custom ratios, inpainting, outpainting, edits with two to four images, and guiding the result with 3D shapes from Blender.

Good to know: Update ComfyUI first: if the KV node is red, your ComfyUI is not updated.

What is inside: the topics
  1. What the KV version changes
  2. New node search and app mode
  3. One image edit and custom ratios
  4. Inpainting with the mask editor
  5. Outpainting to a wider image
  6. Edits with two, three and four images
  7. Blend a subject into a new scene
  8. 3D guides with Blender and Load 3D
Video coming soon
Episode 1422 minPart 2: Images

Ernie Model in ComfyUI - Worth It? + New Nodes Guide

Learn the difference between ComfyUI, Easy Install and Pixaroma nodes, use the new Note and Resolution nodes, and test Ernie Image Turbo on food, text, anime, paintings and real people.

Good to know: Uses a GGUF model: Q8 on 24 GB of VRAM, Q6 or Q4 for less.

What is inside: the topics
  1. ComfyUI, Easy Install and Pixaroma explained
  2. How to spot custom nodes
  3. Where to report issues
  4. Easy Install launcher and Desktop Easy
  5. Pixaroma Note node
  6. Resolution Pixaroma node
  7. Ernie Image Turbo models and workflow
  8. Prompt tests and model comparison
Video coming soon
Video coming soon
Episode 2419 minPart 2: Images

ComfyUI Krea 2 Workflows for Better Text to Image Results

Generate images from text with Krea 2: a simple workflow, LoRA styles, a prompt enhancer, a low VRAM version, and an extra pass with a second KSampler for more detail and 2K images.

Good to know: Runs well on 12 GB of VRAM, text to image only. Episode 25 has a faster INT8 version.

What is inside: 11 chapters
  1. Introduction
  2. Updating Easy Install, ComfyUI, and Pixaroma Nodes
  3. Check Version
  4. Krea 2 Setup Models and Custom Nodes
  5. Krea 2 Workflow Basics + Run Timer
  6. Krea 2 + Lora
  7. Prompt Enhancer
  8. Krea 2 Low Vram
  9. Krea 2 + 2 KSamplers
  10. Krea 2 + Upscale to 2K
  11. Krea 2 Examples - Different Styles Tested
Video coming soon
Episode 2522 minPart 2: Images

ComfyUI INT8 Performance Boost! Boogu, Krea2 & Z-Image

What INT8 models are and how they can be faster with less VRAM, tested with Boogu, Flux Klein, Krea 2 and Z Image Turbo, plus the new Save Image Pixaroma node and Seed updates.

Good to know: INT8 is not always faster: it depends on the model and your GPU. Needs ComfyUI 0.27 or newer.

What is inside: 10 chapters
  1. Introduction
  2. What INT8 is and how it compares to FP8
  3. Updating ComfyUI and Pixaroma nodes
  4. Required versions and cache fixes
  5. Boogu INT8 + New Nodes: Save Image, Seed
  6. Boogu + Prompt Enhancer
  7. Boogu Edit
  8. Flux Klein INT8 + Inpaint + Prompt from Image
  9. Z-Image Turbo INT8
  10. Speed comparisons and final recommendations
Video coming soon
Episode 3016 minPart 2: Images

ComfyUI Krea 2 Edit + MiniMax H3 Prompts Generated Locally

Edit images with Krea 2 and its Edit LoRA: new outfits and backgrounds with the same person, or a character in a new scene. Then write MiniMax H3 prompts on your own PC.

Good to know: Needs two extra custom nodes, Krea 2 Enhancer and Krea 2 Identity.

What is inside: 7 chapters
  1. Introduction
  2. Required Models, LoRA & Custom Nodes
  3. Editing Images with Krea 2
  4. Custom Portrait & Landscape Resolutions
  5. Placing Characters Into New Backgrounds
  6. TryOn - Outfit Transfer Workflow
  7. MiniMax H3 Local Prompt Generator
Video coming soon
Video coming soon
Video coming soon
Part 3

Image skills

6 episodes, 2 h 31 min

Upscale, inpaint, outpaint, edit with nodes, train your own LoRA, and do a whole folder of images at once.

Video coming soon
Episode 519 minPart 3: Image skills

How to Upscale Images in ComfyUI

Seven ways to make your images bigger and sharper: a simple resize, upscale models, Z-Image and Fluxmania with denoise, Seed VR 2, and the paid Nano Banana Pro and Recraft.

Good to know: Nano Banana Pro and Recraft are paid API nodes. The Fluxmania workflow needs Nunchaku (Episode 2).

What is inside: the topics
  1. Simple resize without AI
  2. Upscale models: 2x, 4x, 8x
  3. Control the final size with Scale By
  4. Z-Image upscale with Tiled Diffusion
  5. Nunchaku Fluxmania upscale
  6. Seed VR 2 and VRAM tips
  7. Paid 4K upscale with Nano Banana Pro
  8. Creative upscale with Recraft
Video coming soon
Episode 835 minPart 3: Image skills

ComfyUI for Image Manipulation: Remove BG, Combine Images, Adjust Colors

Use nodes instead of Photoshop: remove backgrounds, even for a whole folder, combine images like layers, add filters and color changes, then connect it all with Flux Klein edits in one run.

Good to know: The last workflow builds on the Flux Klein edit workflow from Episode 4.

What is inside: the topics
  1. Group switches with Fast Group Muter
  2. Remove backgrounds, also for a folder
  3. Select objects with SAM 3
  4. Combine images like layers
  5. Compare and stitch images
  6. Filters, color adjustments, crop and resize
  7. Remove objects with Lama Remover
  8. One workflow with Flux Klein edits
Video coming soon
Episode 2220 minPart 3: Image skills

ComfyUI Inpainting + Batch Load Images from a Folder

Edit only one part of an image with Inpaint Crop and Inpaint Stitch, replace a background using a mask, and run a whole folder of images through one workflow with Load Images From Folder.

Good to know: Builds on the Flux Klein edit workflow from Episode 4 and Remove Background from Episode 18.

What is inside: 3 chapters
  1. Introduction
  2. ComfyUI Inpainting with Pixaroma Nodes
  3. Loading Multiple Images from a Folder
Video coming soon
Episode 2618 minPart 3: Image skills

Train Krea 2 LoRA Online, Use It Locally in ComfyUI

Train a Krea 2 LoRA online with fal AI for a style or a character, convert it with Krea Lora Converter so it works in ComfyUI, and test its strength with XY Plot.

Good to know: Training uses fal AI, a paid online service (about 3 dollars per LoRA when it was recorded).

What is inside: 10 chapters
  1. Introduction
  2. Local vs Online Lora Training
  3. Lora Training Online for Style
  4. Lora Training Online for a Person
  5. ComfyUI Settings + Fixing Fal Lora to Work with ComfyUI
  6. XY Plot for Lora Strength
  7. Testing the Style Lora in ComfyUI + Free Lora
  8. Quick Cartoon Character Lora Training
  9. Pixaroma Nodes Updates
  10. Legends
Video coming soon
Video coming soon
Episode 3837 minPart 3: Image skills

50 Free ComfyUI Automation Workflows

50 free workflows: point a workflow at a folder, press Run, and it does the whole folder. Resize, watermark, edit with Flux Klein, make many images in one Run, and caption images with Qwen3-VL.

Good to know: Every workflow has its own chapter, so you can jump to the one you need.

What is inside: 54 chapters
  1. Intro
  2. Before You Start - Update ComfyUI and Pixaroma
  3. The Basics of Every Workflow
  4. 1.1 Resize All Images in a Folder
  5. 1.2 Social Media Sizes for All Images in a Folder
  6. 1.3 Watermark All Images in a Folder
  7. 1.4 Rename and Convert All Images in a Folder
  8. 1.5 Remove the Background from All Images in a Folder
  9. 1.6 Slideshow Video from All Images in a Folder
  10. 1.7 Contact Sheet of All Images in a Folder
  11. 1.8 Upscale All Images in a Folder
  12. 1.9 Add Your Logo to All Images in a Folder
  13. 2.1 Edit All Images in a Folder with One Prompt
  14. 2.2 Edit Each Image with Its Own Prompt
  15. 2.3 Coloring Pages from All Images in a Folder
  16. 2.4 Make All Images in a Folder Wide (Outpaint)
  17. 2.5 Product Photos from All Images in a Folder
  18. 2.6 Restore and Colorize Old Photos in a Folder
  19. 3.1 One Image per Prompt
  20. 3.2 Every Prompt Combination with Brackets
  21. 3.3 One Subject in Many Styles
  22. 3.4 One Image, Many Edits
  23. 3.5 Queue a List of Prompts
  24. 3.6 Random Prompts Every Run
  25. 3.7 Build a Prompt from Switches
  26. 3.8 Short Ideas into Finished Images
  27. 3.9 Turn a Short Story into a Storyboard
  28. 3.10 Character Turnaround Sheet from One Image
  29. 4.1 Loop Basics - Four Versions of One Prompt
  30. 4.2 Loop - Build Up an Image Step by Step
  31. 4.3 Loop - Photo Strip from All Images in a Folder
  32. 4.4 Loop - Comic Strip with the Same Character
  33. 5.1 XY Plot - Steps and Samplers
  34. 5.2 XY Plot - Styles and Subjects
  35. 5.3 Draft First, Then Finish
  36. 6.1 One Control Panel for the Whole Workflow
  37. 6.2 One Workflow, Two Jobs
  38. 6.3 Turn Steps On and Off
  39. 6.4 Style Presets from a Dropdown
  40. 6.5 Math - Scale All Images in a Folder by Percent
  41. 6.6 Set and Get - No Long Wires
  42. 7.1 Collect the Prompts from All Images in a Folder
  43. 7.2 Re-create Old Images from Their Prompts
  44. 7.3 Caption All Images in a Folder for LoRA Training
  45. 7.4 Rename Every Image by What Is in It
  46. 7.5 The AI Writes an Edit for Every Image
  47. 7.6 Re-imagine All Images in a Folder in Another Style
  48. 8.1 Before and After Grid for All Images in a Folder
  49. 8.2 Keep Only the Images the AI Says Yes To
  50. 8.3 Sort All Images in a Folder into Subfolders by What Is in Them
  51. 8.4 Fix the Caption Text Files, Then Make the Images Again
  52. 8.5 Do a Big Image Folder in Parts
  53. 8.6 One Image per Text File
  54. Thank You, Legends
Part 4

Prompts and text

5 episodes, 1 h 42 min

Let a local AI write your prompts, and keep the prompts you like in one place.

Video coming soon
Episode 321 minPart 4: Prompts

ComfyUI Qwen VL3: Creating Prompts from Images and Text

Use Qwen VL3 to turn an image, a text, or both into a detailed prompt, then connect it to an image workflow like Z-Image so you do not have to copy and paste.

Good to know: A big prompt model and a big image model in one workflow may not fit in your VRAM.

What is inside: the topics
  1. What Qwen VL3 does
  2. The QwenVL node and its models
  3. Safetensors or GGUF models
  4. Presets: tags, descriptions, stories
  5. Write your own custom formula
  6. Send the prompt to Z-Image
  7. Combine several images into one prompt
  8. VRAM tips and a paid API node
Video coming soon
Episode 1618 minPart 4: Prompts

Qwen 3.5 in ComfyUI + Align Tool & Pixaroma Nodes Updates

Generate prompts from text or from an image with Qwen 3.5 and send them to a Flux Klein workflow, plus the new Align tool and updates to Preview Image, Resolution, Image Crop and Note.

Good to know: Qwen 3.5 and Flux Klein in one workflow need VRAM for two models. Episode 18 does the same with Gemma 4.

What is inside: the topics
  1. Updating Pixaroma nodes
  2. Preview Image and Resolution updates
  3. Image Crop node with visual crop
  4. Prompts from text with Qwen 3.5
  5. Connecting Qwen to Flux Klein
  6. Prompts from an image
  7. Note node updates
  8. Align Pixaroma tool
Video coming soon
Episode 1830 minPart 4: Prompts

Gemma 4 + New ComfyUI Nodes That Make Prompting Easy!

Let Gemma 4 write prompts from text or images, transcribe audio and describe videos, then use the new Switch, Prompt Stack, Prompt Pack, Prompt Multi, Prompt Reader, Text Overlay and Remove Background nodes.

Good to know: Gemma 4 needs about 8 GB of VRAM.

What is inside: the topics
  1. Gemma 4 prompt workflow
  2. Gemma 4 with Z Image Turbo
  3. Prompts from images, audio and video
  4. Switch Pixaroma node
  5. Prompt Stack and Prompt Pack
  6. Prompt Multi and Prompt Reader
  7. Text Overlay and Remove Background
  8. Node colors and Run Button FX
Video coming soon
Episode 2116 minPart 4: Prompts

ComfyUI XY Plot & Find/Replace Nodes + GitHub Suspended My Account

Change words in a prompt before it is used with Find and Replace, and test many settings at once in a grid with XY Plot, plus the move from GitHub to GitLab.

Good to know: The nodes start after the news about the move from GitHub to GitLab.

What is inside: 7 chapters
  1. Introduction
  2. GitHub Account Suspension
  3. Pixaroma Nodes Move to GitLab
  4. New Pixaroma Workflow Hub
  5. Updating Easy Installer and Pixaroma Nodes
  6. Find and Replace Node
  7. XY Plot Node
Part 5

Video

5 episodes, 2 h 23 min

Image to video, text to video, character animation, and characters that talk and sing.

Video coming soon
Video coming soon
Episode 2328 minPart 5: Video

ComfyUI Scail 2 Video: WiFi Nodes, New Groups & Loops

Make a character image follow the motion of a reference video with Scail 2, and keep big workflows clean with the new Set and Get WiFi nodes, Pixaroma groups, Combine and loops.

Good to know: Scail 2 needs about 16 GB of VRAM and the KJ Nodes.

What is inside: 10 chapters
  1. Introduction
  2. Updating Easy Installer, ComfyUI, and Pixaroma Nodes
  3. Installing Sage Attention
  4. Checking ComfyUI and Pixaroma Node Versions
  5. Workflows and Help
  6. Using Set and Get Pixaroma WiFi Nodes
  7. Organizing Workflows with Pixaroma Groups
  8. Combining Images into Batches
  9. Understanding Loop Start and Loop End Nodes
  10. Scail 2 Workflow
Video coming soon
Video coming soon
Video coming soon
Episode 3516 minPart 5: Video

MiniMax FastH3 in ComfyUI | Text to Video and Image to Video

Make videos faster with MiniMax FastH3, in 8 steps: text to video, first frame to video, and first and last frame to video, with long prompts from a free Gemini Gem.

Good to know: Start ComfyUI normally, without Kitchen Attention: the attention nodes are inside the workflows.

What is inside: 7 chapters
  1. Introduction
  2. Quick Demo FastH3
  3. Update Pixaroma Nodes and ComfyUI
  4. Minimax FastH3 Text to Video + More Settings
  5. Minimax FastH3 First Frame to Video Workflow
  6. Minimax FastH3 FFLF to Video Workflow
  7. Cloud Workflows and Google Gems
Part 6

Voice, music and sound

5 episodes, 1 h 45 min

Text to speech, voice cloning, music and sound effects.

Video coming soon
Episode 720 minPart 6: Audio

Free AI voice in ComfyUI, Qwen3-TTS Clone Voice and Custom Voice Design

Make free AI voices with Qwen3-TTS: use ready-made speakers, design a new voice from a text prompt, clone a voice from a short audio sample, save voices, and make dialogues with several voices.

What is inside: the topics
  1. Update Easy Install for the node
  2. Custom Voice with ready-made speakers
  3. Voice Design from a text prompt
  4. Clone a voice from a sample
  5. Save a voice and use it later
  6. Dialogue with several saved voices
  7. Dialogue with designed voices
Video coming soon
Episode 1015 minPart 6: Audio

How to Use Fish Audio S2 Text to Speech in ComfyUI

Install Fish Audio S2 text to speech, fix the common errors, add tags for emotion and pauses, clone a voice from a short sample with its transcript, and make dialogues with several speakers.

Good to know: Needs around 20 GB of VRAM. The license is for research and non-commercial use.

What is inside: the topics
  1. VRAM needs and the license
  2. Install with Easy Install or Manager
  3. Fix the startup error
  4. Fix the value not in list error
  5. Tags for emotion and style
  6. Clone a voice with reference text
  7. Get a free transcript with Gemini
  8. Dialogue with several speakers
Video coming soon
Episode 1522 minPart 6: Audio

Make Images React to Music in ComfyUI + ACE-Step AI Music

Preview an image before you save it, make an image move to music with Audio React and save it as an MP4, then generate free music from text with ACE-Step XL Turbo.

Good to know: Audio React moves the image with code, not AI, so the motion is simple 2D.

What is inside: the topics
  1. Updating Easy Install and ComfyUI
  2. Preview Image Pixaroma node
  3. Audio React and Save MP4 nodes
  4. Audio React settings and Loop Safe
  5. Using Load Image and Load Audio
  6. Many videos joined in CapCut
  7. ACE-Step models and music workflow
  8. Prompts and lyrics from ChatGPT
Video coming soon
Episode 1916 minPart 6: Audio

Stable Audio 3 in ComfyUI: Create AI Music and Sound Effects

Generate instrumental music and sound effects from text with Stable Audio 3 Medium, let Gemma 4 write better audio prompts, even from an image, plus node color and Load Image updates.

Good to know: Stable Audio 3 makes instrumentals only, no lyrics.

What is inside: the topics
  1. Updating ComfyUI for Stable Audio 3
  2. Models and the text to audio workflow
  3. Duration, speed and tiled VAE Decode
  4. Prompt examples for sound effects
  5. Gemma 4 music prompt enhancer
  6. Sound effect prompts with Gemma 4
  7. Music prompt from an image
  8. Node colors and Load Image updates
Video coming soon
Episode 3132 minPart 6: Audio

MiniMax Music 3 + Local AI Prompt Generator

Turn a short idea into a detailed prompt with AI Prompt Pixaroma, for Krea 2 and Z Image Turbo. Then make songs with MiniMax Music 3, with caption and lyrics from a local AI.

Good to know: The song length is a maximum, so a song can end early. Try a fixed seed.

What is inside: 13 chapters
  1. Introduction
  2. Update ComfyUI and Pixaroma Nodes
  3. ComfyUI Kitchen Attention
  4. Version Check
  5. Ai Prompts Locally
  6. Krea 2 Prompt Generator Workflow
  7. Fixing Krea 2 Error
  8. Generate Prompts from Images
  9. Z Image Turbo Prompt Generator
  10. MiniMax Music 3 How to prompt
  11. MiniMax Music 3 Text to Music
  12. Using ChatGPT, Gemini, or Claude for Music Prompts
  13. Cloud Workflows - RunningHub
Part 7

3D

2 episodes, 35 min

Turn an image into a 3D model, and a 3D model back into an image.

Part 8

Pixaroma Nodes and custom nodes

4 episodes, 1 h 38 min

The free Pixaroma Nodes, and how to make a node of your own. What each node does today: the node help pages.

Video coming soon
Episode 1121 minPart 8: Nodes

I Went Full Mad Scientist in ComfyUI - Pixaroma Nodes

The first Pixaroma Nodes: how to install them, then use 3D Builder, Image Composer, Paint and Image Crop to prepare the image for an edit model, and Image Compare to check the result.

Good to know: This is the first version of the nodes. Episode 13 shows them rebuilt, with more options.

What is inside: the topics
  1. Install from Manager or Easy Install
  2. 3D Builder: shapes to real images
  3. Image Compare: slider, overlay, difference
  4. Image Composer: layers and background removal
  5. Paint: sketch and shapes to guide edits
  6. Image Crop with ratios
  7. Label and Simple Show Text
Video coming soon
Episode 1224 minPart 8: Nodes

Vibe Code Your First ComfyUI Custom Node Step by Step

Make your own ComfyUI custom node with AI, no coding needed: how a node is made, where the files go, a simple node with Gemini, then one with a preview window using Claude.

Good to know: Uses online AI services. Gemini has a free plan with limits.

What is inside: the topics
  1. What a node is made of
  2. Where custom node files go
  3. Which AI to use
  4. A simple frame node with Gemini
  5. Restart ComfyUI and test the node
  6. Claude Desktop with folder access
  7. A node with an editor window
Video coming soon
Episode 1331 minPart 8: Nodes

ComfyUI Pixaroma Nodes Update 2: Better Composer, 3D Builder, Paint

Pixaroma Nodes update: the rebuilt Image Composer with placeholders and background removal, Paint with tablet pressure, and the 3D Builder with your own GLB or OBJ models, all used in Flux Klein edit workflows.

Good to know: Uses the Flux 2 Klein 9B edit workflow from Episode 4.

What is inside: the topics
  1. Easy Install update and Ezi Desktop
  2. Install or update Pixaroma Nodes
  3. Connect them to an edit workflow
  4. Image Composer: layers and placeholders
  5. Image Compare modes and default
  6. Paint with tablet pressure
  7. Label without the header
  8. 3D Builder: objects and your models
Video coming soon
Episode 1722 minPart 8: Nodes

ComfyUI Pixaroma Nodes: New Load Image, Notify & Utility Nodes

The new Load Image Pixaroma node with its filename output and resize options, Copy and Open buttons, save folders by date, a switch for width and height, and small Number and Text nodes.

Good to know: Audio React needs about 16 GB of free system RAM for Full HD.

What is inside: the topics
  1. Easy Install launcher and folders
  2. Copy and Open buttons
  3. New Load Image Pixaroma node
  4. Filename and date in save names
  5. Resize options in Load Image
  6. Switching width and height sources
  7. Number and Text Pixaroma nodes
  8. Image Composer, Crop and Audio React updates

New to ComfyUI? Install it and open your first workflow. Want to know one node really well? ComfyUI Nodes Explained goes through them one by one.