ProtectPDF.io
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ProtectPDF.io is an ebook protection software as a service. Unlike typical DRM, which is super expensive. It allows you to prevent your valuable ebooks from being pirated at a reasonable price. Create protection with just a few clicks. Add dynamic watermark, set print & download permission and more.
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Based 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 / over 1 year 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 / over 1 year 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 / over 1 year 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: almost 3 years 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: over 3 years ago
EditionGuard - Securely distribute eBooks with Adobe Content Server DRM
PDF-XChange Editor - The smallest, fastest, most feature-rich PDF editor/viewer available
Vitrium Systems - Protect Your Content. Protect Your Business
PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
PrintOnly - PrintOnly is a Windows software tool that restricts documents to be printed only by physical USB printers and cannot be viewed or edited. It can also limit the number of times a document is printed on each computer and set the expiration date.
iSafePDF - iSafePDF is a free open source PDF protection software.