After purchase, you will receive a license key

SwifDoo PDF is one of the options - a PDF toolbox with many useful features.

More than an effective PDF toolbox
The functions of this PDF toolbox are divided into five main areas:

Content editing: you can perform various actions on any unlocked document, such as changing text fonts, inserting images or links, adding signatures...
Format conversion: need to work in office applications? You can quickly convert PDF to other formats: DOCX, PPTX, CAD, HTML, XLSX... and vice versa.
Compression: you can reduce the size, for example, to attach to an email.
Merge documents: an effective tool for combining several documents and creating a single one.
Digital signature: allows you to add your own signature to the document.
Security: allows you to lock the document change to protect its integrity from any unauthorized editing.