Quote:SwifDoo has been running a giveaway for their award-winning SwifDoo PDF PRO software. As part of the giveaway, you will be eligible to receive a half-year license to SwifDoo PDF PRO.
Giveaway link:https://www.swifdoo.com/promotion/heise-giveaways-and-discounts
SwifDoo PDF PRO is a helpful and simple to use PDF software to enhance productivity and work efficiency. It enables users to create, edit, convert, annotate, protect, merge, watermark, compress and encrypt PDF files easily and effectively.
Key Features:

Edit PDF content in a breeze
Add customized elements & crop your files
Whiteout PDF content, add images or links to PDF
Convert PDF to Word, Excel, PowerPoint & other formats
Convert emails, attachments, and folders into PDFs
Batch-convert PDFs at one time
Main benefits for PDF compression
No data loss
Merge PDF documents in a flash
Split PDF Documents in a blink of an eye
Enables you to sign the document almost instantly by offering three ways of adding signature

Supported OS: Windows 7, 8/8.1, 10 and 11 (32-bit and 64-bit)