Documentation

Last updated: 2026-06-29

One Rust core, identical behavior in every language. Pick your binding: each page is a complete usage reference for the whole product surface.

Python

pip · ctypes wrapper

Delphi / Free Pascal

unit · pure FFI

Swift

SwiftPM · macOS & iOS

Node / TypeScript

npm · Koffi FFI

Ruby

gem · Fiddle FFI

PHP

composer · ext-ffi

Go

go get · cgo, static

C# / .NET

NuGet · P/Invoke
Free vs licensed. Basic generation is always free. The corporate features (PDF/A, digital signatures/PAdES, encryption, accessibility and page rendering) require an active license token. See pricing or each page's Licensing section.