Upload a visual reference and turn its visible subject, composition, perspective, lighting, palette, materials, setting, and style into a detailed reusable image generation prompt.
Choose a reference image. Spira sends a browser optimized copy to a multimodal model and returns a detailed primary prompt, useful alternatives and concise caveats. Analysis uses credits and requires sign-in.
Upload a PNG, JPG, WebP, GIF, BMP or AVIF image. The browser creates a smaller copy before it is sent for analysis.
Review the primary prompt, compare useful alternatives and copy the direction that best fits your next generation.
Use the detailed prompt as a ready starting point and make provider-specific changes only when you need them.
Simple tools, clear results, no unnecessary steps
Describe how the scene is framed, lit, colored, arranged, and styled so the prompt captures the visual relationship between its parts.
Start with a detailed primary prompt and compare alternatives that vary useful visual choices without replacing the central subject.
The result brings together subject, framing, perspective, light, color, materials, environment and style in usable language.
Use the prompt as a starting point in the image generator you prefer instead of receiving model specific parameters.
The tool describes visible traits and uncertainty without claiming it recovered an original prompt or hidden context.
The output describes visible traits but cannot recover the exact prompt, seed, model settings, or hidden intent behind an existing image.
The tool produces a detailed provider-neutral prompt automatically; refine only the parts you want to change in your image generator.
No. The browser creates a smaller JPEG copy and sends it to the model for analysis. The page states this before generation.
No. It creates a new prompt from visible characteristics and does not know the original prompt, model, seed, or settings.
You can choose PNG, JPG, WebP, GIF, BMP, or AVIF. The browser decodes and optimizes the image before analysis.
Generate a prompt, then refine the subject, composition and style for the image or video scene you actually need.
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Plan Includes:
