Best PDF APIs for Android of 2025

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.

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.

PrizmDoc helps web developers embed secure secure and responsive HTML5 document viewing, document editing, and native spreadsheet viewing and editing within your own web application or system solution. Due to its extreme flexibility, PrizmDoc can be supported on virtually any platform, and in any programming language that supports REST API calls. Key features can be easily turned on or off depending on your application’s needs, along with user-based permissions to protect proprietary logic, and you can customize the UI layout or style. PrizmDoc can be self-hosted on your own infrastructure or accessed through a fully managed backend on Accusoft’s public or private cloud. And with best-in-class support, Accusoft’s Enablement Services to ensure a seamless PrizmDoc implementation.

KDAN PDF Reader is your all-in-one PDF solution. Edit, sign, OCR scan, convert, annotate, and fill forms in PDF documents. With innovative AI features, speed up your document workflow! Designed for Mac, iPhone, and iPad, KDAN PDF Reader is trusted by millions for its comprehensive features and efficiency. **Spring Sale: Work smarter with KDAN PDF Reader—get 40% OFF Document 365 AI+, our AI-powered, cross-platform subscription. Offer ends May 8. KEY FEATURES EDIT TEXT & PDF • Fix errors and typos directly in PDF - replace, add, or delete text in PDFs • Add, edit, crop, and adjust images in PDFs • Add header & footer • Add Bates numbering for easy reference, tracking, and organization • Use stamps or dynamic stamps to indicate status, provide feedback, and highlight information in a document CONVERT PDF • Offline file converter - convert file without an internet connection • Convert PDF to Office file formats, image, or ePub • Format supported- docx, xlsx, csv, pptx, rtf, txt, html, jpg, png, BMP, jpg200, pub, MOBI SIGN & FORMS • Fill & edit forms • Create fillable forms with buttons, checkboxes, and list boxes • Create signature and sign on PDF • Create signatures using trackpad, keyboard, or images EDIT PAGE • Merge & split PDFs • Extract, rearrange, rotate, delete, and crop PDF pages • Change PDF background color • Append pages from

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.

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.

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.

This contemporary cloud infrastructure provides a variety of freemium microservices and productivity-focused solutions across multiple domains, including compression and unified APIs that operate seamlessly on any platform, client, or programming language, along with an innovative SaaS licensing model. Comprehensive guides and thorough documentation outline all essential procedures for authentication, API communication, document processing, and error management, while also highlighting best practices for optimal efficiency. A simple and user-friendly ASP.NET Core MVC application serves as an example of how to integrate DocuVieware via the PassportPDF Rest API for document visualization. This application is designed to evolve progressively, with additional similar demonstrations added in the future. Furthermore, a streamlined ASP.NET 4.6.2 application also showcases the use of DocuVieware through the PassportPDF Rest API for the same purpose, reinforcing the versatility and adaptability of these tools in various development environments.

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.

This document and image cleanup and processing toolkit allows developers the ability to quickly integrate document handling functions such as image manipulation, compression, manipulation, manipulation, manipulation, editing, manipulation, compression and image enhancement into their applications. ImageGear allows your application to clean up files such as deskew, line, and speckle removal, among others. ImageGear's color-processing tools can be used to improve image quality and reduce compressed file sizes. This SDK for image processing and document cleaning includes many APIs that allow image processing and clean-up. ImageGear can help you add functionality to your applications. Learn how ImageGear can meet all of your document lifecycle requirements. This PDF SDK allows.NET developers add robust PDF functionality to their applications. Users can view, annotate and compress pages. Discover all the PDF manipulation capabilities of ImageGear PDF and how it can enhance your application.