Vellum Studio is a 100% offline PDF toolkit for Android — built for privacy. Convert Word to PDF, scan documents with your camera, merge and compress files, and edit, annotate, or sign PDFs — all without uploading anything to the cloud. No internet required. No data collected. No tracking. Just fast, simple tools that work entirely on your device. Built for students, freelancers, and professionals who need quick PDF tools without sacrificing privacy or relying on a connection.