blueimp/JavaScript-Load-Image — Issue #2: Use a web worker to generate preview 
Author: cjroebuck
Created: 2012-02-15 01:13:28+00:00
State: open

Is it possible to spawn a webworker to generate the image previews, as currently the image previews block the main thread and make the ui unresponsive especially when uploading many large files.

Maybe BlobBuilder object can be used for this?