miniGRIP v19.7.12

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This is a simple proof of concept. It demonstrates that it is possible using only HTML5/JavaScript to open an image file, process the image in some way, and then save the image in a new file. Importantly this is all done in the client browser; nothing is sent to the server.

A few things should be noted:

So far the only processing offered is to invert the contrast, to make a negative image. It is planned to extend this to offer image resizing and some other simple processes. Browsers do limit the time available for processing though.

In a sense this is like a tiny, tiny version of the powerful image processor, GRIP, that I developed in Java from 2004 onwards.