Read, edit, convert, merge, and sign PDF files across devices, for completely free and without signing up.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad




PDF Auditor is described as 'Native macOS application designed for developers, QA engineers, and security analysts who need to see "under the hood" of a PDF file' and is a PDF Reader in the office & productivity category. There are eight alternatives to PDF Auditor for a variety of platforms, including Windows, Mac, iPhone, iPad and Android Tablet apps. The best PDF Auditor alternative is PDFgear, which is free. Other great apps like PDF Auditor are Adobe Acrobat DC, Preview, PDF Viewer Pro by PSPDFKit and PDFtk.
Read, edit, convert, merge, and sign PDF files across devices, for completely free and without signing up.




Manage documents effortlessly, edit PDFs, create them from other formats, and e-sign anywhere. Secure sharing and comparison tools ensure smooth workflows and data protection. New AI Assistant offers quick document insights. Perfect for desktop and web platforms.




Native macOS app for viewing, annotating, and editing images and PDFs, featuring tools for cropping, rotating, resizing images, rearranging pages, full-screen viewing, markup, document merging, batch conversion, and export in multiple formats.




PDF Viewer Pro is a fast and beautiful app, allowing you to view, search, and annotate PDF documents with ease on your iPhone and iPad.




PDFtk is a simple tool for doing everyday things with PDF documents. It comes in three flavors: PDFtk Free, PDFtk Pro, and our original command-line tool PDFtk Server.


PDFXplorer is a small application that lets you explore the internals of any PDF file. It shows the PDF file in a tree structure, matching the PDF structure in the file. It can be used to debug a wide range of PDF problems, from invalid references to damaged page content.

PDFGears is a powerful PDF Inspector. It's mission is to help developers in browsing internal PDF objects, locating errors in PDF files and finally making their PDFs even better.





