Are my images uploaded?

No. Images are decoded, processed and re-encoded by your browser on your own device. They are never sent to a server, and closing the tab discards them.

Can it read handwriting?

Not reliably. It is designed for printed text.

Image to Text (OCR) - Free Online Tool

JavaScript is turned off. InspireTools processes files in your browser, so the tools need JavaScript to run.

Copy the text out of photos, scans and screenshots.