Free Tool

AI Image Metadata Viewer & Inspector

Free AI metadata checker for ComfyUI, Midjourney, Stable Diffusion, and more. Upload an image to view every embedded field — workflows, prompts, models, seeds, and EXIF data. No login required.

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What this metadata viewer extracts, by tool

Every AI image tool embeds its generation data differently. The inspector reads the raw fields and recognises the formats below automatically.

ComfyUI metadata viewer

ComfyUI embeds the full workflow graph and the prompt JSON in PNG tEXt/zTXt chunks. The inspector parses both, detects the tool, shows the prompt, counts the workflow nodes, and lets you copy the workflow JSON so you can reload it in ComfyUI.

Where ComfyUI stores metadata

Stable Diffusion & A1111 parameters

AUTOMATIC1111 and most Stable Diffusion UIs write a "parameters" text chunk containing the prompt, negative prompt, model, sampler, steps, CFG scale, and seed. The viewer parses that block into a readable summary you can copy from.

PNG metadata vs workflow JSON

Midjourney prompt data

Midjourney images downloaded from the website carry the prompt, job ID, and version in embedded fields (Discord downloads usually lose them). For a privacy-focused view of exactly what your Midjourney exports reveal before you share them, use the dedicated Midjourney inspector.

Midjourney Metadata Inspector

NovelAI & other PNG tools

NovelAI and many other generators write their own PNG text chunks — NovelAI includes a "Comment" field with the full generation settings. Anything stored in tEXt, zTXt, or iTXt chunks appears in the PNG Chunks tab, even when the tool is not auto-detected.

Frequently Asked Questions

Frequently Asked Questions

Quick answers to the most common questions.

Manage AI metadata at scale

Numonic automatically extracts, indexes, and preserves the metadata behind every AI-generated asset — so the workflow, prompt, and parameters you inspected here stay searchable and reproducible across your whole library.