Filling the Gap: Building a High-Performance, Mutable AcroForm PDF Processor in .NET

I built a C#/.NET PDF processor with performance in the same band as PDFPig—and added what I couldn’t find for free in .NET: true in-memory, mutable AcroForms you can edit and save. It powers my upcoming forms-over-data SaaS, SubmitPath (coming soon at submitpath.com).

August 21, 2025 · 5 min · Me