Appnimi PDF Studio

Appnimi PDF Studio is a powerful, all-in-one PDF editor for Windows. It handles every document task you encounter — merge and split files, add watermarks and page numbers, annotate, sign, redact, encrypt, fill forms, create form fields, and extract text. Built on a clean native desktop UI with a polished dark/light interface, core tools work fully offline with no account required. Upgrade to Professional to unlock all 28 features.