Image to Flux Prompt

Upload any image and get a FLUX.1-optimized prompt — natural language with photographic and cinematic detail, ready to paste into Replicate, fal.ai, or your local Flux setup.

Open the Image to Prompt Tool Free, no signup. 3 prompt generations per day.

Why use AI to write FLUX.1 prompts from images?

Flux prompts are different from Midjourney prompts. Flux prefers natural-language sentences over comma-separated tags, and it responds especially well to photographic and cinematic detail (lens hints, lighting language, shot framing). An image-to-Flux-prompt tool writes the prompt in that voice — upload an image and get a sentence-style prompt ready to paste into your Flux setup.

The image-to-prompt tool returns four prompt formats in one click. The Flux format is the one tuned for what you'll be pasting — but if you want to compare, the General, Flux, Midjourney, and Stable Diffusion formats are all in the result tabs.

Flux prompt tips

A few things to know when using the generated prompt with FLUX.1:

Flux loves descriptive sentences. The generated prompt uses 2-4 sentences with photographic detail.
Add lens hints ("50mm prime lens, shallow depth of field") for more cinematic output.
Flux Pro renders detail better than Flux Schnell. The prompts work on both, but expect higher fidelity from Pro.
For Flux Kontext (image-to-image edits), use the prompt as a description of the desired output rather than the source.
Flux handles text in images well — if your source has text, the prompt will mention it for better recreation.

How to convert an image to a Flux prompt

Upload your image to the Image to Prompt tool. Any photo, AI render, screenshot, or artwork. JPG, PNG, or WebP up to 10MB.
Click Generate. The AI reads the image and writes four prompts in one pass — the Flux format is in its own tab.
Copy the Flux prompt and paste it into your FLUX.1 interface. Edit if you want to tweak the tone or detail.

Try it now →

Frequently Asked Questions

Which Flux variants does the prompt work on?

It works on Flux Pro, Flux Dev, Flux Schnell, and Flux Kontext. The natural-language style is consistent across the family.

Will the prompt mention camera/lens details?

Yes when the source image has photographic characteristics (depth of field, focal length, framing). For digital art or illustrations, the prompt focuses on style instead.

Can I run the prompt on Replicate or fal.ai?

Yes — the prompt is plain text, so it works in any Flux interface (Replicate, fal.ai, Together AI, your own ComfyUI setup).

Does it work on Flux Kontext for image editing?

The prompt describes the source image, which is useful for Kontext as the "current state." For the edit instruction itself, write that part yourself.

Can I customize the prompt for a different mood?

The free tool returns one prompt. For custom prompt formats with mood/style overrides, use AI Analyzer Pro inside the dashboard which has a Custom Question mode.

Is the prompt SFW?

The prompt describes what's visually in the image. The free tool follows standard content policies.

Will the regenerated image match the source pixel-perfect?

No. Image-to-prompt captures style, subject, and mood — the regenerated image will be a clear variation, not a copy.

Convert images to other AI generators

Image to Midjourney

Midjourney v6 prompt

Image to Stable Diffusion

Stable Diffusion (SDXL / SD 3.5) prompt

All 4 formats at once

AI Image Describer

For human-readable descriptions

Photo Description

Vivid prose + 5 captions

Ready to convert your image to a Flux prompt?

Free, no signup, 3 prompt generations per day. For unlimited generations and 19 output languages, sign up and use AI Analyzer Pro inside the dashboard.

Open the Image to Prompt Tool