Fully client-side HTML5 thumbdata-3 viewer (and general JPEG extractor)
git clone https://github.com/x0a/thumbdata3-viewer.git
npm install -g webpack
cd thumbdata3-viewer
npm installFor active development run npm run watch, which will start webpack in watch mode.
Then run npx serve ./dist and open http://localhost:5000, refreshing as needed. You can also open ./dist/index.html directly in your browser and refresh as needed.
For a final build, run npm run build. Files in ./dist will be ready for distribution