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Build powerful iOS apps that can view, edit, and annotate PDF, Microsoft Office, and other formats. Enjoy top-notch native performance, complete UI source code control, and on-demand remote PDF streaming — all engineered for the best possible document experience on iOS.
Use simple and ready-to-use annotation tools & widgets that come with the complete source code to match your look & feel or build a unique product. No limits!
iOS-optimized silky smooth viewing of complex PDFs. Avoid costly surprises with the most compliant rendering engine built from the ground up and perfected at PDFTron over the last 20 years
Avoid slow & bandwidth-draining downloads when viewing documents in the cloud. PDFTron can instantly view pages on-demand without downloading the entire document.
Apple PDFKit API suffers from rendering and compatibility issues. Overcome these problems with a simple adapter library or take advantage of many unique PDFTron features.
Complete source code for the UI, annotation tools, and all UI widgets is included as part of the CompleteReader sample project.Install
Support current and future use cases with the most complete PDF & Office SDK on the market.All Features
Support for 30+ file formats, including PDF, PDF/A, HTML, SVG, PNG, and Microsoft Office.All File Formats
Everything you need to quickly build a prototype, and for a great development experience.Documentation
Code samples, familiar package managers, and a Docker image make it easy to get up and running.
Our core document engine has been perfected by 20 years of knowledge, innovation, and real-world testing.
An open source UI gives you complete freedom to match your look & feel, and optimize the user experience.
A single API with consistent function calls across platforms means a shorter learning curve and easier maintenance.