QuickLook solo para look mate. Puede obtener metadatos de CGPDFDocument

 if let url = Bundle.main.url(forResource: "yourFileNameHere", withExtension: "pdf"), let pdf = CGPDFDocument(url as CFURL) { let count = pdf.numberOfPages print(count) }

Para docx, intente instalar ZipZap con cartago: github "pixelglow/ZipZap" "8.1"

 NSURL *url = [[NSBundle mainBundle] URLForResource:@"demo" withExtension:@"docx"]; ZZArchive* archive = [ZZArchive archiveWithURL:url error:nil]; NSString *pageCount; for (ZZArchiveEntry* entry in archive.entries) { if([entry.fileName isEqualToString:@"docProps/app.xml"]) { NSString *responseString = [[NSString alloc] initWithData: [entry newDataWithError:nil] encoding:NSUTF8StringEncoding]; //Get the value between tag <Pages> and </Pages> NSRange tag1 = [responseString rangeOfString:@"<Pages>"]; NSRange tag2 = [responseString rangeOfString:@"</Pages>"]; pageCount = [responseString substringWithRange: NSMakeRange((tag1.location + tag1.length), (tag2.location - tag1.length - tag1.location))]; } }

Aquí la fuente de metadatos de docx: https://www.forensicswiki.org/wiki/Word_Document_(DOCX)