Documents and notes

Smallpdf Pro alternatives

2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.

The full assessment →

The projects

alam00000/bentopdf14,539AGPL-3.0Privacy-first web PDF toolkit for converting, merging, compressing, and editing PDFs.Open on GitHub PDFCraftTool/pdfcraft8,178AGPL-3.0Browser-based PDF toolkit offering many tools to edit, convert, merge, split, and secure PDFs.Open on GitHub

What you give up either way

Enterprise-grade compliance certification (unless you pursue certification separately)
Scale and global CDN/edge optimizations for large user volumes
Native mobile apps and tight Sign.com integration
Polished UI/UX and battle-tested reliability under heavy load
Proprietary AI tuning and commercial SLAs

An open-source project doing the core job proves a replacement is possible. It does not prove it matches Smallpdf Pro, and it does not prove anyone has run it for a month. How we decide.