So I'm sure there are more official ways to do this but I usually just go online to somewhere like https://smallpdf.com/merge-pdf. Source: over 1 year ago

If you already have individual PDF files, you can combine them into one PDF with this tool: https://smallpdf.com/merge-pdf. Source: over 1 year ago

5) Now that you have your doctor-completed immunization record form, either scan it with a scanner or take pictures and upload them into a PDF (you can use a website like SmallPDF to do this). Next, you will take that document/PDF and upload it over here. While uploading, you will click a dropdown menu. For your initial Immunization Record form, you will select option 1 ("Immunization Record") from the choices. If... Source: about 2 years ago

On Canvas I restrict submission types to PDFs and I just include a link on each assignment description to SmallPDF. Source: about 2 years ago

Examples of small tools that I'd want feedback on are PDF tools, conversion tools and spreadsheet tools. Source: over 2 years ago

Qpdf[1], and, in particular, libqpdf, is the most useful PDF tool I've ever used, because it was the first library I found that works at the proper level of abstraction for dealing with the PDF file format on its own terms. In other words, the library directly exposes the essential PDF object structure (pages, dictionaries, strings, numbers, streams, etc.) for easy editing, while abstracting away as much of... - Source: Hacker News / 3 months ago

Given how well Preview.app and Safari work for viewing >99% of PDFs I actually encounter in the wild, this article makes Apple's engineering decisions look good. It also confirms many suspicions I've had over the years that have led me to, e.g., running all PDFs from questionable sources through VirusTotal before viewing on platforms where I wouldn't normally run antivirus software. The original article also... - Source: Hacker News / 4 months ago

I know you're talking about GUI editing, but I've found libqpdf[1] incredibly useful for making programmatic PDF edits with minimal (typically no) structural disturbance. [1] https://qpdf.sourceforge.io. - Source: Hacker News / 4 months ago

Exiftool edits to PDFs are reversible. The file needs to be re-linearized by a utility such as qpdf. See the exiftool PDF tags page and exifcleaner issue #111. Source: over 1 year ago

Page organization => If you want a gui, you could use pdfshuffler or pdfsam, though I usually use command like tools like qpdf (or pdftk, stapler, pdfjam, or even ghostscript). Source: about 2 years ago