patchworkPDF is described as 'A free, open-source PDF editor for Windows (Linux and MacOS coming). Merge, reorder, rotate, OCR, redact, sign, add form fields and watermarks — then just save. No account, no paywall' and is a PDF Reader in the office & productivity category. There are five alternatives to patchworkPDF for a variety of platforms, including Mac, Windows, Web-based, Android and iPhone apps. The best patchworkPDF alternative is Foxit PDF Reader. It's not free, so if you're looking for a free alternative, you could try Foxit PDF Reader or PDFgear. Other great apps like patchworkPDF are Adobe Acrobat Reader and Firefox PDF Viewer (PDF.js).
Foxit Reader offers a lightweight PDF viewing experience across multiple platforms with features such as annotation, form filling, signing, cloud storage integration, collaborative review options, heightened security via Trust Manager, and organizational tools like Group Policy and XML Configuration.
Read, edit, convert, merge, and sign PDF files across devices, for completely free and without signing up.
Locally hosted web application offering an interactive GUI to merge, split, reorganize, convert, compress, watermark, secure, sign, flatten, repair, extract images, detect blanks, apply OCR, set permissions, and enable file processing or API integration for PDFs.
Seamlessly view, annotate, and collaborate on PDFs with freehand drawing and sticky notes. Utilize cloud storage for effortless access and upgrade for advanced editing and conversion to formats like Word and Excel.
PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within Mozilla Firefox almost all PDF files found on the web without a plugin.
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