Open the document, photo, webpage, or email you want to save as a PDF
Tap the Share button
Scroll and tap Print
On the print preview, use two fingers to zoom in on the preview
Tap the Share button again
Tap Save to Files
Choose a folder
Tap Save
To make a PDF from notes, open the note, tap Share, then tap Print, zoom the preview, and save to Files
To make a PDF from Safari, open the page, tap Share, then tap Print, zoom the preview, and save to Files
To make a PDF from Photos, open the image, tap Share, then tap Print, zoom the preview, and save to Files