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  3. Flux Fill Pro

Edit and Extend Images with Flux Fill Pro

Photo editing used to require specialized tools and hours of careful work. Flux Fill Pro changes that by letting you describe what you want added, removed, or replaced in any part of an image. Whether you are cleaning up a product shot or rebuilding a background from scratch, the model reads your mask and prompt together to produce results that look like part of the original. Inpainting lets you paint a mask over any area and describe what should fill it, from a sky swap to a missing piece of furniture. Outpainting extends the image beyond its original borders, useful when you need a wider crop or a new aspect ratio. Guidance and step controls give you direct influence over how closely the output follows your prompt versus exploring visual variation. The model fits naturally into both retouching and design workflows. Photographers drop it into their post-processing step to clean up distracting backgrounds. Designers use the zoom-out and directional outpaint options to resize canvas without recreating the composition from scratch. Set a seed once you find a good direction, then refine the prompt until the result is exactly what you need.

Official

Black Forest Labs

3.92m runs

Flux Fill Pro

2024-11-20

Commercial Use

Edit and Extend Images with Flux Fill Pro

Table of contents

  • Overview
  • How It Works
  • Frequently Asked Questions
  • Credit Cost
  • Features
  • Use Cases
  • Examples
Get Nano Banana Pro

Overview

Flux Fill Pro is a professional inpainting and outpainting model built for image editors who need results that hold up under scrutiny. Upload a photo, paint over the area you want changed, describe what should appear there, and the model fills it in with texture, lighting, and color that match the surrounding pixels. A product photographer can erase a stray shadow; a designer can extend a narrow banner image to fit a wider format. You run it all on Picasso IA without installing software or writing a single line of code.

How It Works

  • Upload your image (JPEG, PNG, GIF, or WebP) and add a black-and-white mask to mark the area you want edited. Black pixels are preserved; white pixels get replaced.
  • Write a text prompt describing what should appear in the edited region. For outpainting, a minimal prompt works well since the model reads the existing scene.
  • Select an outpaint preset if you want to extend the image beyond its edges: zoom out 1.5x or 2x, make it square, or add space on any single side.
  • Adjust diffusion steps (more steps, finer detail) and the guidance scale (higher value, tighter match to your prompt) to shape how the fill behaves.
  • Click generate. Download the finished image in JPG or PNG format, watermark-free and ready to use.

Frequently Asked Questions

Do I need programming skills or technical knowledge to use this? No, just open Flux Fill Pro on Picasso IA, adjust the settings you want, and hit generate.

Is it free to try? Yes. Picasso IA gives you free credits on signup so you can run test edits before choosing a plan. No credit card is required to get started.

How long does it take to get results? At the default 50 steps, most edits finish in under 30 seconds. Raising the step count to 80 or higher adds detail but extends processing time in proportion.

What output formats are supported? You can export in JPG or PNG. PNG is lossless and supports transparency; JPG produces smaller files that are easier to share or upload.

Can I customize how closely the fill matches my prompt? Yes. The guidance scale balances prompt adherence against natural-looking output. A higher value locks the fill closer to your description; a lower value gives the model more latitude to blend with the existing image tones.

What happens if I'm not happy with the result? Set a fixed seed to reproduce the same composition, then refine your prompt or mask and regenerate. If the blend still looks off, reducing the guidance scale often helps the fill match the surrounding area more naturally.

Where can I use the edited images? The output carries no watermarks. You can use it in client deliverables, social media posts, print layouts, or any other project without restrictions.

Credit Cost

Each generation consumes 1 credit

1 credit

or 5 credits for 5 generations

Features

Everything this model can do for you

Inpainting control

Draw a mask over any area of your image and replace it with whatever the prompt describes.

Outpainting directions

Extend the image left, right, top, bottom, or as a 1.5x or 2x zoom-out in a single step.

Prompt guidance slider

Adjust how strictly the output follows your text description versus exploring visual alternatives.

Reproducible results

Set a fixed seed to lock the output and iterate only on the prompt until the result is right.

Step count control

Increase diffusion steps for finer details or reduce them to get faster preview outputs.

Alpha mask support

Upload an image with an embedded alpha channel and skip the separate mask file entirely.

PNG and JPG output

Download results in your preferred format, ready to drop into any editing tool or publish directly.

Use Cases

Remove an unwanted object from a photo by masking it and writing what the background should look like in its place

Swap a plain studio background in a product image for a specific setting by masking the background and describing the replacement

Extend a portrait photo with wider margins using the outpaint option to add canvas on any side of the frame

Fix a damaged or missing section of a photo by drawing a mask over it and describing what should appear there

Change clothing or a surface texture in an image by masking the area and writing a prompt for the new look

Convert a vertical image to a square format by adding canvas on two sides with the directional outpaint controls

Add a new element to an existing scene, such as placing a prop or detail into an empty surface in the image

Examples

an impressionism painting
Input
Input 1
Output
an impressionism painting
20.7s
View Example
movie poster says "FLUX FILL" in embossed pink text on a soap
Input
Input 1
Output
movie poster says "FLUX FILL" in embossed pink text on a soap
9.1s
View Example
movie poster says "FLUX FILL"
Input
Input 1
Output
movie poster says "FLUX FILL"
10.4s
View Example

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