
PDFsam
PDFTK Builder
PDF Unshare
PDFEncrypt
PrintOnly
PDFFixer Corrupt PDF Viewer
A-PDF Restrictions Remover
QPDF is a command-line program that does structural, content-preserving transformations on PDF...

JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers
Which is more popular?
Based on our record, QPDF seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | qpdf.sourceforge.io | developertools.tech |
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What each product offers, as listed by its team.


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Why this product is good
Recommended for
Overall verdict
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qPDF
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How often each product is chosen within a category, 0–100% relative to the other.


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Recommendations tracked on public social media and blogs since March 2021.


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... - Source: Hacker News / over 2 years 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... - Source: Hacker News / over 2 years 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 2 years ago
Tracking DeveloperTools.Tech since Apr 2023.
When comparing QPDF and DeveloperTools.Tech, you can also consider the following products.

PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
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The JSON Formatter was created to help with debugging.
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PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
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A collection of developer tools in one place in your browser
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pdf unshare, pdf protection, protect, share, updf, prevent, Lock PDF, Encrypt PDF, PDF Access, Lock, PDF, Encrypt, Access
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Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
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