Best PDF SDK for iPad of 2026

Apryse (formerly PDFTron) makes documents work harder for you. We give organizations the power to handle the full document lifecycle — from secure server-side processing to smooth web-based collaboration — without relying on third-party services. With Apryse, you can: Integrate advanced document capabilities like viewing, editing, annotation, and e-signature directly into your applications. Deploy on your own infrastructure for maximum control, privacy, and compliance. Scale effortlessly with technology built for high-volume, enterprise-grade workflows. Deliver modern web experiences that are fast, accessible, and reliable across browsers and devices. Trusted worldwide, Apryse helps enterprises, developers, and small businesses simplify workflows, cut costs, and deliver better digital document experiences.

Nutrient provides an extensive solution for all your PDF requirements, delivering tools that seamlessly operate PDF features across any platform. 1. SDK: Incorporate advanced PDF functionality into iOS, Android, Windows, web, or any cross-platform technology, supplying abilities like PDF viewing, annotation, collaboration, and beyond. 2. Libraries: Employ our powerful .NET and Java libraries to enhance your backend applications with batch processing of redactions and PDF forms, OCR'd scanned text, and PDF document editing, all directly from your application server. 3. Processor: Our agile PDF microservice, Processor, enables rapid generation of PDFs from HTML, including HTML forms, as well as Office-to-PDF conversions, OCR, redaction, and XFDF combining and exporting. 4. PDF API: Take advantage of our hosted PDF API to generate, convert, and alter PDF documents in your workflows. We handle the development and server management, freeing you up to concentrate on your business. At Nutrient, we're not just a tool; we're a committed ally in your success. Gain direct contact with our engineers for expert guidance, utilize comprehensive examples to simplify integration, and make the most of our top-tier documentation.

Pdftools can help you process thousands of documents, or even millions. The suite of SDKs from Pdftools is designed for industries that are document-intensive. They will make your document workflows faster, easier, and less stressful. The Pdftools products are built on SDKs or APIs. They integrate seamlessly with your existing systems and applications. Process thousands of documents per minute. Our tools are designed to be fast and efficient. We are engineers at heart and only accept the most reliable, usable and well documented platforms. File sizes can be reduced, but quality and interactivity are not compromised. Your documents will be compliant with long-term archiving. We have documented every detail of our products so that you can easily get started.

ComPDFKit PDF SDK is a product of ComPDF, offers a top-quality PDF SDK and PDF API for companies, organizations, small businesses, and developers. It enables you to integrate PDF document annotation, editor, conversion, form filling, and signing into your applications or products, saving you time and expenses. ComPDFKit is compatible with Windows, Web, Android, iOS, Mac, Linux, and other cross-platform frameworks such as React Native, Flutter, and Electron with just a few lines of code. Product Details of ComPDF: - ComPDFKit PDF SDK Our PDF SDK renders PDFs at the fastest speed and provides rich and reliable functionalities including viewing, markup, content & page editing, digital & electronic signing, form filling, OCR, comparing, measuring, etc., satisfying the needs of processing PDFs in different scenarios. - ComPDFKit Conversion SDK Support Convert PDF to or from Word, Excel, PPT, TXT, RTF, PNG, JPG, HTML, JSON, markdown, searchable PDF, etc. - ComIDP ComIDP is the intelligent document processing, allow companies to integrate for unstructured data extracting, knowledge base building, AI Q&A, image pre-processing, PDF parsing, PDF data extraction, PDF table extraction, etc.

Add robust PDF features to your apps with the easy-to-integrate MuPDF SDK/ The small yet fast viewer supports a number of document formats including PDF, XPS, OpenXPS, CBZ, and ePUB. The renderer is designed for high-fidelity anti-aliased graphics and renders text with metrics and spacing accurate to within fractions of a pixel. The PDF library includes interactive features such as annotations, form filling, digital signatures, redactions, and search. The command-line tools provide users myriad customization options for rendering and converting documents, and manipulating PDF files. MuPDF supports document conversion to other formats including HTML, SVG, and CBZ. In addition to the C library, there's a Java library using JNI that works for both Oracle's Java and Android. In addition to the Java API, C++ and Python bindings have been developed. MuPDF supports most of the major coding environments and operating systems. It is highly flexible and optimized for each unique platform. MuPDF API has been used as the PDF engine in a variety of deployments ranging from Android and iOS mobile applications, SaaS and cloud solutions, document management programs, and embedded products, to name a few.

FormVu provides HTML/JavaScript/CSS content for Chrome, Edge, Firefox, and Safari on Linux/MacOS/Windows and also mobile/tablet devices running Android or iOS. The PDF forms will appear in the Browser as they appeared in Acrobat with the correct layout, formatting, and styles. Embedded fonts are converted. FormVu supports both AcroForms and XFA Forms. All forms are converted into HTML5/CSS and JavaScript preserving style and layout. JavaScript is converted to run inside the browser, preserving validation and calculations in the forms. XFA FormCalc is also supported. FormVu provides an easy-to-use converter. It does not require a dedicated server or infrastructure and generates clean, standalone HTML content. FormVu is designed to integrate easily into the existing PDF workflow. Data can be edited, updated, and resaved back into the original PDF document or sent back to the server.

PDFlib GmbH dedicates itself entirely to advancing PDF technology, with customers utilizing its products since 1997. In 2006, the company became a founding member of the PDF Association (previously known as PDF/A Competence Center). The organization keeps a close eye on industry developments and market trends, including adherence to ISO standards for PDF. PDFlib GmbH's offerings are available globally, with significant market presence in Europe, North America, and Japan. As a well-known developer component, PDFlib specializes in generating and manipulating PDF documents effectively. Its primary objectives include the dynamic generation of PDFs on web servers, as well as in various server, desktop, or mobile applications. By using PDFlib, users can dynamically produce PDF documents sourced from databases, akin to creating dynamic web pages. Since its inception in 1997, PDFlib has demonstrated its versatility across a broad spectrum of use cases and development ecosystems. Application developers leverage PDFlib to generate PDF outputs that incorporate text, images, graphics, and interactive features, making it an essential tool in modern document creation. With its robust capabilities, PDFlib continues to be a favorite among programmers seeking effective PDF solutions.

Our libraries are high-performance and add robust PDF functionality to enterprise, mobile and cloud applications across all platforms. They use the most popular languages and environments. A modern tech stack is essential for integrating with the platform you are working on. Our products are constantly improved and receive new features each month. As your project evolves and your requirements change, we will grow with you. You won’t require high level PDF knowledge as our core API is designed to deliver a seamless developer experience across all 7 of our platforms: Web, Windows, Android, iOS, Mac, UWP and Linux. The developers at Foxit are known for successfully managing edge cases and work with 100% of PDF files across every standard. When you only have to work with one SDK, you decrease your exposure to third parties. Foxit will provide support by real developers, as well as, sample projects, demos, API docs and more for every SDK feature.

With a minimal amount of code, LEADTOOLS libraries offer developers a robust PDF API that facilitates dependable and multi-threaded PDF operations, eliminating the necessity for external dependencies such as Acrobat. The extensive PDF controls enable users to read, write, convert, and display PDF files, integrating seamlessly with cutting-edge OCR, ICR, OMR, forms recognition, virtual printing, and scanning APIs to craft comprehensive solutions that leverage the PDF format effectively. Users can effortlessly load and view any PDF document through the document viewer API framework. Rigorously tested against countless PDF files, the LEADTOOLS PDF SDK libraries ensure exceptional viewing precision and performance that surpasses many leading PDF reading tools on the market. By addressing common discrepancies and issues associated with different PDF file versions, LEADTOOLS allows developers to work with confidence, reducing their testing time significantly and enabling the swift creation of top-tier PDF applications. Furthermore, this efficiency not only streamlines the development process but also enhances overall user satisfaction with the final products.