Image MetaHub Browser (MVP)

A minimal MV3 browser extension that saves online AI images with embedded MetaHub-compatible PNG metadata.

What it does

• Adds a "Save to MetaHub" button on supported sites
• Lets you click an image, fill prompt/model fields, and download:
  • imh-<provider>-<timestamp>.png with embedded tEXt metadata
• The metadata format mirrors the A1111/Easy Diffusion parameters string

Supported sites (initial)

• chatgpt.com
• gemini.google.com
• grok.com
• x.ai

How to load (Chrome/Edge)

1. Open chrome://extensions
2. Enable Developer mode
3. Click "Load unpacked"
4. Select the D:\IMH_BROWSER folder

Notes

• This MVP embeds metadata into PNGs (tEXt parameters chunk).
• If the image is not PNG, the extension tries to convert to PNG. If conversion fails, it saves without metadata.

Next steps

• Auto-capture prompt/model from each site
• Add settings (default provider/model, default folder name)
• Embed request URL-