Free & Open-Source Smallpdf Premium Alternatives

Online PDF tools and conversions.

1. Stirling-PDF ↗ ★ PICKFOSSPRIVATESELF-HOST
   Web-based PDF Swiss army knife — self-hostable.
   ●○○Easy · Opens and edits PDFs
2. PDF24 ↗
   Free Windows PDF toolkit + online tools.
   ●○○Easy · Opens and edits PDFs