by Black Forest LabsImage
FLUX.1 Fill Dev LoRA
Masked inpainting on FLUX.1 Fill with your own LoRAs
- Up to 1.5K
- Up to 4 per run
- Loads your own LoRA
From 7 credits per image≈ $0.07

What it's like to use
FLUX.1 Fill Dev LoRA runs Black Forest Labs' FLUX.1 Fill Dev, trained for inpainting, with up to three FLUX.1 Dev LoRAs. Send a photo and a black-and-white mask: only the white area is redrawn to match your prompt, and the rest comes back untouched.
Good for
- Changing a garment or colour while the face and room stay as shot
- Repainting a hand or replacing an object on a table
- Painting a mural onto a bare wall in a LoRA's style
Real results from FLUX.1 Fill Dev LoRA
Every image and clip here was generated with FLUX.1 Fill Dev LoRA. Hit Recreate to open it in the studio with the same prompt and settings.

InputBring your own image

InputBring your own image
What FLUX.1 Fill Dev LoRA can do
Each mode opens in the studio with FLUX.1 Fill Dev LoRA already picked. The price shows before you generate.
How to prompt FLUX.1 Fill Dev LoRA
- Make the mask the same size as the photo: white is redrawn, black is kept.
- Cover everything that has to change, including straps, collars, hoods and reflections.
- Describe only what belongs in the white area, its material and the light.
Settings worth knowing
Everything else has a sensible default, so you can type a prompt and go.
resolution1K · 1.5K- Output size. Bigger sizes look sharper and cost more.
num_outputs1–4- How many results to make in one go.
image_url- The picture to start from.
mask_url- Paint over the area that should change.
seed0–2147483647- Reuse the same number to get a repeatable result.
loras≤ 3- Load your own LoRA files to lock in a style or character.
guidance_scale28–35- How strictly the model follows the prompt.
steps1–50- More steps add detail but take longer.
How it compares
Same kind of job, different strengths and prices.
FLUX.1 Schnell LoRA also inpaints with a mask, faster and cheaper.
Questions about FLUX.1 Fill Dev LoRA
How much does FLUX.1 Fill Dev LoRA cost?
On PopNow, the cheapest run of FLUX.1 Fill Dev LoRA costs 7 credits ($0.07) per image. You pay with credits (1 credit = $0.01), the exact cost shows on the Generate button before you start, and failed generations are refunded automatically.
What can FLUX.1 Fill Dev LoRA do?
On PopNow, FLUX.1 Fill Dev LoRA works in these modes: Edit Image. Pick one in the studio and add a prompt or an upload.
What sizes can FLUX.1 Fill Dev LoRA make?
FLUX.1 Fill Dev LoRA renders up to 1.5K.
How should I write prompts for FLUX.1 Fill Dev LoRA?
Make the mask the same size as the photo: white is redrawn, black is kept. Cover everything that has to change, including straps, collars, hoods and reflections. Describe only what belongs in the white area, its material and the light.
FLUX.1 Fill Dev LoRA or FLUX.1 Schnell LoRA?
FLUX.1 Schnell LoRA also inpaints with a mask, faster and cheaper.
Do I need to install anything to use FLUX.1 Fill Dev LoRA?
No. FLUX.1 Fill Dev LoRA runs in your browser on PopNow: write a prompt or add a file, choose the settings and download the result. Sign up and you can generate straight away.
Make something with FLUX.1 Fill Dev LoRA
Type an idea, pick your settings and see the price before you hit Generate.

