PDF Unshare
iSafePDF
PDFEncrypt
PDFTK Builder
Locklizard Safeguard PDF Security
Wonderfulshare PDF Protect Pro
PDFTools by SheelApps
MacSonik PDF Encryption Tool
QPDF
PDFTK Builder
iSafePDF
PDFsam
PDF Password Remover Tool
PyPDF2
PDFTools by SheelApps
Adobe Acrobat DC
PDF Unshare is a free PDF content protection utility that creates unshared PDF and UPDF formats to protect your PDF files from sharing, printing, editing, copying or unauthorized accessing. This creative document protection tool also allows you to set an expiry date for the protected PDFs, and then all these documents would not be viewed after that date.
PDF Unshare QPDFBased on our record, QPDF seems to be more popular. It has been mentiond 11 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
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 / about 2 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 / 2 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 / 2 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: almost 2 years ago
iSafePDF - iSafePDF is a free open source PDF protection software.
PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
PDFEncrypt - PDFEncrypt is a free, open-source Windows application that encrypts any PDF file using...
PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
Locklizard Safeguard PDF Security - Locklizard Safeguard PDF Security provides total PDF DRM protection and control over your documents...
PDF Password Remover Tool - PDF Password Remover Tool. Free PDF password remover tool by PDF Technologies. Remove passwords from PDF documents.