List of the Top 15 PDF SDK for Android in 2026

Apryse (formerly PDFTron) transforms how organizations manage documents. Built for both server and web applications, Apryse empowers businesses and developers to securely handle the entire document lifecycle — from creation and collaboration to compliance and archiving — without relying on third‑party services. With Apryse, you can: Run at enterprise scale on your own infrastructure, ensuring privacy, compliance, and maximum control. Deliver modern, in‑browser document experiences with fast, accessible viewing, editing, and collaboration tools. Integrate seamlessly across platforms, supporting PDF, Microsoft Office, CAD, and many other file types. Streamline workflows and reduce costs with technology trusted by leading enterprises worldwide. Apryse makes document workflows smarter, faster, and more secure — so teams can focus less on manual processes and more on meaningful work.

Nutrient offers a comprehensive suite of solutions tailored to meet all your PDF needs, providing tools that effortlessly handle PDF functionalities on any platform. 1. SDK: Integrate sophisticated PDF capabilities into iOS, Android, Windows, the web, or any cross-platform technology, offering features such as PDF viewing, annotation, collaboration, and much more. 2. Libraries: Use our robust .NET and Java libraries to empower your backend systems with capabilities for batch processing of redactions and PDF forms, OCR for scanned text, and editing of PDF documents, all directly from your application server. 3. Processor: Our nimble PDF microservice, Processor, facilitates the quick creation of PDFs from HTML, including HTML forms, alongside conversions from Office to PDF, OCR processing, redaction, and the combination and exporting of XFDF. 4. PDF API: Leverage our hosted PDF API to create, convert, and modify PDF documents within your workflows. We manage the development and server operations, allowing you to focus solely on growing your business. At Nutrient, we see ourselves not merely as a tool but as a dedicated partner in your journey to success. You can easily reach out to our engineers for specialized support, access thorough examples to aid in integration, and utilize our premium documentation to maximize your experience. Additionally, we are committed to continuous improvement and innovation, ensuring our solutions evolve with your needs.

PrizmDoc empowers web developers to incorporate secure and dynamic HTML5 document viewing and editing functionalities, along with native spreadsheet capabilities, directly into their web applications or system solutions. Its remarkable adaptability ensures support across almost any platform and programming language that can perform REST API calls. Users can easily activate or deactivate key features based on the specific requirements of their applications, and implement user-specific permissions to safeguard proprietary information. Additionally, customization of the UI layout and style is available to enhance user experience. PrizmDoc can either be self-hosted within your own infrastructure or utilized via a fully managed backend provided by Accusoft’s public or private cloud services. Furthermore, Accusoft offers exceptional support through its Enablement Services, facilitating a smooth implementation of PrizmDoc for all users. This comprehensive flexibility and support make PrizmDoc an ideal choice for modern web development needs.

The widely recognized SDK supports platforms including Android, iOS, and Windows UWP, and was created by our team in 2012, initially serving as a development tool for these operating systems. Since its inception, we have continually enhanced its capabilities. RadaeePDF Classic provides fully customizable frameworks in Java, Objective C, and C#, along with simplified plugins for Cordova (Android) and Xamarin (iOS). More than 6000 small and medium-sized businesses, as well as large corporations, utilize the RadaeePDF Classic SDK across over 8500 applications. It boasts features such as PDF reading, various rendering formats, support for annotations, text search, and extraction, among others. Additionally, the Master Edition represents a major upgrade from the Classic version, offering robust functionalities like full manipulation of form fields, PDF optimization, import/export of XFDF, and handling of signatures and certificates. Furthermore, it maintains advanced features such as diverse rendering layouts, comprehensive support for annotations, and enhanced text search and extraction capabilities, making it an invaluable tool for developers.

Pdftools offers robust solutions for handling vast numbers of documents, potentially reaching into the millions. Tailored for sectors that heavily rely on documentation, the Pdftools suite of SDKs aims to enhance the speed, simplicity, and overall ease of your document workflows, reducing stress along the way. Built on reliable SDKs and APIs, Pdftools products integrate effortlessly into your current systems and applications. With the capacity to process thousands of documents each minute, our tools prioritize speed and efficiency. As engineers committed to excellence, we ensure that only the most trustworthy, usable, and well-documented platforms are utilized. While file sizes can be minimized, we guarantee that quality and interactivity remain intact. Additionally, our solutions help ensure that your documents adhere to long-term archiving standards. Comprehensive documentation accompanies every aspect of our products, allowing for a seamless onboarding experience. With Pdftools, you can transform your document management approach and unlock new efficiencies.

ComPDF is a brand under PDF Technologies (a KDAN company), offering a range of products including ComPDFKit (PDF SDK and Conversion SDK) and ComIDP (an Intelligent Document Processing solution). Developers and businesses can integrate ComPDF products via SDKs, APIs, or low-code platforms to enable powerful PDF functionalities such as rendering, editing, annotation, conversion, form filling, digital signing, document comparison, measurement, redaction, OCR, and data extraction. 1. 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. 2. Tailored Solutions for Unique Business Demands No matter in construction, education, or any other industry, our specialized solutions streamline your workflows. Whether integrating PDF features into apps or collaborating on PDF editing with teams, we have the ideal solutions tailored for you. - Low-code PDF solution on Make.com, zapier, etc. - Construction - Aviation - Manufacturing - Finance - Education - Printing - Healthcare - Government - Salesforce - Sharepoint - Onedrive - Teams ……

KDAN PDF is a versatile and intelligent PDF solution designed to optimize the digital workflows of independent professionals and specialized industries. In a world where document management is central to success, KDAN PDF provides the tools necessary to edit, secure, and analyze files with precision across Windows, Mac, and mobile devices. The platform stands out by integrating document intelligence that allows professionals to interact with their PDF content. Through the AI assistant, users can generate summaries of lengthy reports, ask specific questions about file data, and extract tables directly into editable spreadsheets. This intelligent approach minimizes administrative overhead and allows users to focus on high-value tasks. Key features of KDAN PDF include: - Professional Editing and OCR: Seamlessly update text and images or use multi-language OCR to digitize paper archives. - Synchronized Workflow: Maintain continuity across iOS, Android, and desktop environments with a unified user interface. - Advanced Security: Protect sensitive information with permanent redaction, encryption, and digital signatures. - Flexible Organization: Manage documents efficiently using Bates numbering, page rearrangement, and high-fidelity file conversion. Optimized for fields like healthcare, legal services, and academia, KDAN PDF ensures that your professional documentation is handled with the highest level of integrity and efficiency. By providing an offline-first experience, it guarantees that your most sensitive data remains secure while you work across any screen.

Enhance your applications with the versatile MuPDF SDK, which seamlessly integrates robust PDF capabilities. This compact yet swift viewer accommodates various document formats, including PDF, XPS, OpenXPS, CBZ, and ePUB. It features a renderer crafted for high-quality anti-aliased graphics, ensuring that text is displayed with precise metrics and spacing, accurate to mere fractions of a pixel. The PDF library comes equipped with a range of interactive functionalities such as annotations, form filling, digital signatures, redactions, and search capabilities. Furthermore, the command-line tools offer extensive customization options for rendering, converting documents, and manipulating PDF files, allowing for conversion to formats like HTML, SVG, and CBZ. In addition to its C library, MuPDF provides a Java library utilizing JNI, compatible with both Oracle's Java and Android platforms. Alongside the Java API, bindings for C++ and Python have also been established, showcasing its compatibility with major programming environments and operating systems. Its flexibility and optimization for various platforms make it a powerful tool for developers. The MuPDF API has found applications in a wide range of deployments, including mobile applications on both Android and iOS, SaaS and cloud solutions, document management systems, and various embedded products, highlighting its versatility and effectiveness in meeting diverse user needs.

The PDFix SDK provides users with the tools necessary to automatically improve the accessibility of their existing PDF files. It allows for the transformation of standard PDFs into accessible PDF/UA formats with high quality. Featuring an auto-tagging function, the SDK identifies essential elements within documents, including text, images, tables, headers and footers, headings, lists, and the reading order. By enabling batch processing, it not only conserves valuable time but also reduces remediation costs significantly. Those who have tried to extract data from multiple PDF documents are likely aware of the difficulties that can arise. The SDK employs sophisticated machine learning techniques to create an algorithm that facilitates smooth and organized data extraction. Consequently, users can effortlessly recognize different logical components, such as text, headings, images, tables, headers and footers, and lists. Moreover, it provides the capability to scrape data from PDFs and convert it into preferred formats like HTML, CSV, JSON, or XML, enhancing both efficiency and user experience. This feature proves especially advantageous for organizations focused on enhancing document accessibility while simplifying their data management processes. Ultimately, the PDFix SDK stands as a robust solution for those seeking to elevate the accessibility and usability of their PDF documents.

FormVu offers a comprehensive solution for transforming HTML, JavaScript, and CSS content compatible with popular browsers like Chrome, Edge, Firefox, and Safari across various operating systems, including Linux, MacOS, and Windows, as well as mobile devices running Android or iOS. The converted PDF forms seamlessly display in the browser, mirroring their original appearance in Acrobat with accurate layouts, formatting, and styles. Fonts embedded within the documents are appropriately converted, ensuring a consistent visual experience. Supporting both AcroForms and XFA Forms, FormVu effectively transforms all forms into HTML5, CSS, and JavaScript while maintaining their original style and layout. It also converts JavaScript to function within the browser context, safeguarding validation and calculations present in the forms, and even accommodates XFA FormCalc. Designed for user-friendliness, the FormVu converter eliminates the need for a dedicated server or complex infrastructure, generating clean, standalone HTML content. Furthermore, it integrates smoothly into existing PDF workflows, allowing users to edit, update, and save data back to the original PDF or forward it to the server, enhancing overall efficiency in document management. This capability makes FormVu a versatile tool for anyone looking to streamline their PDF form processes.

PDFlib GmbH is wholly committed to the evolution of PDF technology, with its products being utilized by customers since 1997. The company played a pivotal role as a founding member of the PDF Association in 2006, which was previously known as the PDF/A Competence Center. This organization actively monitors industry changes and market trends, ensuring compliance with ISO standards for PDF. PDFlib GmbH's products are accessible globally, boasting a substantial presence in Europe, North America, and Japan. Recognized for its development components, PDFlib excels in the creation and manipulation of PDF documents. Its main goals include the dynamic production of PDFs on web servers and through various applications on servers, desktops, and mobile devices. By employing PDFlib, users can generate PDF documents dynamically from databases, similar to how dynamic web pages are created. Since its establishment in 1997, PDFlib has showcased its adaptability across a wide array of use cases and development environments. Application developers utilize PDFlib to create PDF outputs that encompass text, images, graphics, and interactive elements, solidifying its status as an indispensable tool in contemporary document generation. Furthermore, PDFlib's comprehensive features make it a preferred choice among developers in search of efficient PDF solutions, reinforcing its reputation in the industry.

Our libraries deliver exceptional performance and comprehensive PDF capabilities for enterprise, mobile, and cloud applications on every platform. They support the most widely used programming languages and environments. To effectively integrate with your chosen platform, having a modern tech stack is crucial. We continuously enhance our products, introducing new features every month to keep up with technological advancements. As your project develops and your needs evolve, we will adapt alongside you. You don't need extensive PDF expertise, as our primary API is crafted to ensure a smooth developer experience across all seven platforms: Web, Windows, Android, iOS, Mac, UWP, and Linux. The team at Foxit is recognized for their ability to handle edge cases and successfully manage 100% of PDF files from every standard. By utilizing a single SDK, you can minimize reliance on multiple third-party solutions. Foxit also offers support from real developers, along with sample projects, demos, API documentation, and more for each feature of the SDK. This commitment to support ensures that you have all the resources necessary for successful implementation and development.

Seamlessly integrate sophisticated features for viewing, annotating, editing, signing, and more into your applications across mobile, desktop, or server platforms. Harness a modern technology framework that works in perfect harmony with your existing systems. As your requirements change and projects progress, we evolve alongside you, ensuring a smooth experience even with complex PDF files through the use of a powerful and efficient rendering engine. Enjoy rapid search functions that deliver results almost instantly, enhancing user satisfaction. Enrich your PDFs with options for highlights, stamps, comments, drawings, and custom annotations, each type providing distinct styling choices. Facilitate a paperless workflow with electronic and digital signatures that guarantee secure document signing processes. Validate and certify certificate-based documents while automatically detecting the font and size of the original text. Additionally, easily adjust PDF content by updating text and images as needed to keep your documents relevant and up-to-date. This all-encompassing PDF solution not only addresses your present needs but also anticipates future demands, ensuring ongoing flexibility and usability. In this way, you can stay ahead of the curve and maintain a competitive edge.

LEADTOOLS libraries provide developers with a powerful PDF API that enables reliable and multi-threaded operations with minimal coding, removing the need for external tools like Acrobat. With a wide array of PDF controls, users can efficiently read, write, convert, and display PDF documents while seamlessly integrating advanced features such as OCR, ICR, OMR, forms recognition, virtual printing, and scanning APIs to create all-encompassing PDF solutions. The document viewer API framework allows for the effortless loading and viewing of any PDF file, making it user-friendly. Thoroughly validated against a vast number of PDF files, the LEADTOOLS PDF SDK guarantees outstanding viewing accuracy and performance that often exceeds that of many leading PDF readers available today. By effectively addressing the common inconsistencies and challenges posed by various PDF file versions, LEADTOOLS empowers developers to approach their projects with confidence, significantly cutting down on testing time and facilitating the rapid development of high-quality PDF applications. Moreover, this streamlined efficiency not only accelerates the development cycle but also greatly improves user satisfaction with the end products, leading to a more successful overall experience.

This toolkit for processing and cleaning documents and images empowers developers to seamlessly incorporate various document handling features, such as image editing, compression, and enhancement, into their software. With ImageGear, applications can efficiently perform tasks like deskewing and removing lines and speckles from files, ensuring that images are clear and professional. The advanced color-processing capabilities of ImageGear enhance image quality while also minimizing the size of compressed files. This software development kit (SDK) offers a wealth of APIs designed for thorough image processing and cleanup, making it easier than ever to enhance application functionality. Additionally, ImageGear is instrumental in fulfilling all aspects of the document lifecycle, allowing .NET developers to integrate strong PDF features into their applications. Users can not only view and annotate PDF pages but also compress them to improve efficiency. Explore the extensive PDF manipulation features provided by ImageGear to elevate the performance and functionality of your applications even further.