A PDF is awkward when you need a picture. Slides for a presentation, a certificate to put on a profile, or a page to attach in a chat all work better as images. This tool turns each page of your PDF into a JPG file that can be viewed, shared or inserted anywhere an image is accepted.
Yes. Pages are rendered at a resolution suitable for viewing on screen and for normal printing.
Yes, selecting a page range avoids exporting the whole document.
JPG is produced here. If you need PNG, convert the resulting image with the image converter.
No. Images are pictures of the page, so text becomes part of the picture. Keep the PDF if you need selectable text.