Alternatives to Stirling PDF
Stirling PDF These options were selected to replace all or part of Stirling PDF’s workflow. Compare their purpose, limitations and free-plan terms: freemium does not mean entirely free.
Free and open source
PDF24 Tools · tools.pdf24.org
Merge, compress, convert and sign PDFs, free and unlimited.
Keep in mind: Less modern interface
FreeNo sign-up
Freemium
iLovePDF · ilovepdf.com
Merge, compress, convert and edit your PDFs.
Keep in mind: Free plan limits file size and number of tasks
FreemiumNo sign-up