Image to Prompt Generator
The Image to Prompt Generator analyzes any uploaded image using AI vision and produces a detailed text prompt you can paste directly into Midjourney, DALL-E 3, Stable Diffusion, or any other AI image generator. Whether you want to reverse-engineer an AI artwork, recreate a photography style, or get a starting point for your own prompt, the tool gives you a structured description covering subject, composition, lighting, color palette, and mood.
Quick Answer
The Image to Prompt Generator analyzes any uploaded image using AI vision and produces a detailed text prompt you can paste directly into Midjourney, DALL-E 3, Stable Diffusion, or any other AI image generator. Whether you want to reverse-engineer an AI artwork, recreate a photography style, or get a starting point for your own prompt, the tool gives you a structured description covering subject, composition, lighting, color palette, and mood.
Try it now — free, no signup
Your images stay on your device. Nothing is uploaded to any server.
Step-by-Step Guide
4 steps · takes under 1 minute
Upload your image
Click or drag any photo, artwork, screenshot, or AI-generated image into the upload zone. JPG, PNG, WebP, and HEIC are all supported.
Choose a prompt style
Select General for any AI generator, or pick Midjourney, DALL-E 3, or Stable Diffusion for a prompt optimised for that specific platform — including syntax and quality modifiers.
Click Generate Prompt
The AI vision model analyzes your image in about 5–10 seconds and returns a detailed prompt describing the subject, style, lighting, colors, and composition.
Copy and use the prompt
Click Copy and paste the prompt directly into your AI image generator. Use Regenerate to get a different variation if you want to try a different angle or emphasis.
100% Private — Zero Uploads
ImgToolkit runs entirely in your browser using the Canvas API. Your images are never sent to a server, never stored in the cloud, and never seen by anyone else. This makes it safe for sensitive documents, client work, medical imagery, and confidential screenshots.
Pro tip
All processing happens in your browser using WebAssembly and the Canvas API. No files are sent to any server — your images stay completely private.
Format & File Size Comparison
Same 1080×1080px photo processed four ways
| Format | Quality | File Size | Notes |
|---|---|---|---|
| PNG (original) | Perfect | 4.2 MB | No compression — too large for web |
| Compressed PNG | Visually identical | 1.1 MB | −74% — transparency preserved |
| JPG (85% quality) | Excellent | 310 KB | −93% · Best for photos |
| WebP (85%)BEST | Excellent | 205 KB | −95% · Recommended for web |
Based on a 1080×1080px photo. Results vary by image content and complexity.
Related Free Tools
All tools run in your browser — no account or upload needed
Frequently Asked Questions
5 questions answered
Ready to get started?
Free, instant — your files stay on your device. Always.
Generate a Prompt from Your Image Free