PDF Swift Viewer
Butter Fly / PSPDFKit GmbH
About this app
- Age 10
- Updated Mar 25, 2026
- OS IOS / Android
Editor reviews
PDF Swift Viewer is a fast, lightweight PDF reader built for efficient work and study. Open, read, and manage PDFs instantly with smooth navigation and quick search. Annotate, fill forms, and e-sign documents to speed up your workflow. Organize your files, access them offline, and sync with your preferred cloud storage for seamless productivity.
Core features include high-speed PDF rendering, smart annotations and signatures, and streamlined file management with easy sharing. Ideal for students, professionals, and teams who need a reliable PDF viewer for high-efficiency office, business use, and daily document tasks. Keywords: PDF viewer, document reader, annotation, form filling, e-sign, cloud storage, productivity, business.
Screenshots
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How to use:
1. Download and open PDF Swift Viewer, then allow file access or import PDFs from your device or cloud storage.
2. Sign in to create an account for syncing and backup across devices, or continue without an account if you prefer.
3. Open a PDF to start reading, use pinch-to-zoom, run a keyword search, and add bookmarks to jump back to key pages.
4. Tap Annotate to highlight text, add comments, draw, fill forms, and insert your signature, then save and share via email or link.
5. Go to Library to organize files by folders or favorites, rename and sort documents, enable cloud sync, and adjust reading settings like continuous scroll and night mode for comfort.