PDFtk
6.7#14 in pdf merger software$3.99 one-timeFree planLinuxmacOSSelf-hostedWindows
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| Fact | PDFtk | Smallpdf |
|---|---|---|
| Integrations | PDFtk Pro includes PDFtk Server, providing both a graphical interface and command-line interface; the product pages list no third-party integrations. | Integrations include the Chrome Extension, Google Workspace, and Dropbox App. |
PDFtk suits people who need to merge or split PDFs through a graphical tool, or automate document tasks with a command-line toolkit. Pro may suit users who also need page rotation, watermarking, stamping, or security controls.
Smallpdf suits individuals who need PDF editing, conversion, signing, or scanning tools across devices. Its Team plan is for groups of 2 to 100 users.