PDF Tools SDK Alternatives (September 2025)

ComPDFKit PDF SDK is designed for developers to integrate viewing, editing, annotating, converting, encrypting, and signing, and filling PDFs into any platform.

The leading Java and C# PDF Library SDK. A programmable Java and .NET PDF SDK library to create, manipulate and edit PDF documents. Convert Html files to pdf, Debug pdf files, extract data from PDF and more.

.NET, Java and COM Libraries for Dynamic PDF tasks: Create, Merger, Split, Form Fill, View, Convert, Print, Save, Watermark and much more! Free Eval of all products

With PSPDFKit's PDF SDK, you accelerate time to market. Fast & easy setup with 100s of out-of-the-box features, a customizable UI, & cross-platform compatibility.

Consistent & reliable software for greater control over PDFs. Free trial - get started today. Get started now! Highlights: Newsletter Available, Knowledge Portal Available, Specialists Available.

IronPDF is the C# PDF Library to generate, edit, and sign PDFs in .NET 8, 7, 6, Standard, Core, and Framework.

Xodo is the ultimate solution for working securely with PDF, Office, and image files on the web, mobile, and desktop. Start free today!

Integrate document processing capabilities into any software applications. Generate, convert, view, edit, and sign pdf and documents easily.

Xodo gives you secure and accurate tools to work with PDFs. Easily merge, convert, edit, compress PDFs & more on any device!

Smallpdf - the platform that makes it super easy to convert and edit all your PDF files. Solving all your PDF problems in one place - and yes, free.

Build document manipulation applications using High Code or Low Code APIs, or simply use cross-platform apps to view, compare, inspect or convert 100+ file formats. Explore Aspose, the leading provider of document processing APIs and software solutions.

Foxit Software is the reliable source for fast, affordable, & secure PDF software. From editor to eSign tools and more, we have what your business needs.

Dynamic Web TWAIN is a document scanning SDK that enables seamless integration of document scanning capabilities in all common web browsers with just a few lines of JavaScript.

PrizmDoc: Embed powerful HTML5 document viewing and editing into your application for advanced document processing functionality.

Tungsten Power PDF solutions provide everything you need to create, covert, edit, share and e-sign PDF files.

PDF.co Web API for extracting, editing, converting, merging, and splitting PDF documents. Save time with our powerful tools.

Data extraction enabled by flexible ABBYY FlexiCapture SDK integration, allows you to maintain full control over document processing, data capture & document routing.

With UPDF, you can edit, annotate, convert, OCR, organize, protect, share, print, summarize, translate, and explain PDF files. Try this all-in-one PDF editor now!

The best free PDF reader & viewer used by over 700 million users. Download Foxit PDF Reader for Windows, Mac, Android & more today!

iLovePDF is an online service to work with PDF files completely free and easy to use. Merge PDF, split PDF, compress PDF, office to PDF, PDF to JPG and more!

PDF Reader Pro is premium PDF software for Mac, Windows, iOS, and Android. Praised by users for its functions like viewing, annotating, and editing PDFs.

Open, View, Edit, Save and Print PDF Documents without Adobe Acrobat

Convert documents, PDF, images, and other files online between different formats. Secured service. User account. Conversion options. REST API and libraries.

Foxit's free online PDF editor enables quick PDF editing, eSigning, and redaction with AI-powered tools, offering secure and efficient document management for businesses.

Automatically generate high-quality PDF documents from reusable Word templates and JSON or Excel data with DocuGenerate’s API and web app · Start Generating for Free

PDF-XChange develops fast, light PDF software for viewing, converting, and editing PDF documents, with unparalleled support and service, including the Best PDF Reader - as voted by Life Hacker Readers.

Full-featured PDF & eSign solutions for single users, small teams, large businesses and enterprise organizations.

Online PDF Converter with many features in a single tool. Convert your files, merge them and create a PDF - online & free with Online2PDF.com!

Our PDF tools offer a comprehensive solution for all your PDF needs, including editing, converting, merging, and splitting PDF files that will streamline your document management tasks!

Wondershare PDFelement is a powerful yet easy-to-use PDF editor solution to create, edit, protect, and sign PDFs on desktop, mobile, and web.

A free and open source software to merge, split, rotate and extract pages from PDF files. For Windows, Linux and Mac

Discover the benefits of a powerful online PDF editor. Create, fill out, share, and collaborate on documents from any device.

PrizmDoc® for Java delivers high speed viewing capabilities for large and complex documents including PDF, Word, Excel and more.

CutePDF allows you to create PDF files from any printable document, save PDF forms using Acrobat Reader, make PDF booklet, impose, rearrange pages and much more.

Assemble and automate documents, generate reports and templates supporting various data sources, file type input & output with various engine deployment options.

Foxit Software is the reliable source for fast, affordable, & secure PDF software. From editor to eSign tools and more, we have what your business needs.

Able2Extract Pro is the leading PDF converter for home and business users. Try free on Windows, macOS, or Linux to simplify your everyday PDF work.

An API to convert HTML/CSS documents to PDF. PDFShift is the reliable, Up-to-date and high-fidelity conversion API with no maintenance costs.

pdfDocs by Litera is a PDF management application that enables users to create, collate, edit, redact, bind and secure documents.

Convert your files to PDF documents and vice versa with GorillaPDF converter. No downloads and logins, it works online, it secure and 100% FREE!

ABBYY's latest AI-based OCR technology powers this PDF editor software. Use tool to convert files (PDF to Excel, PDF to Word, etc.), edit, share, collaborate & more!

Experience Polaris Office's office software and business solutions for personal, companies, and institutions. With the high compatibility of Polaris Office, you can conveniently view and edit various document formats such as Hangul (HWP), Word, Sheet, Slide, PDF, and more.

CamScanner provides the most intelligent document management solution; pdf converter, pdf editor, pdf to word, pdf to excel, pdf to ppt, pdf to image, pdf to document, document editing, document image scanning. A Portable Scanner, efficiency improvement A weapon to make work and study more efficient, scanning, filing, uploading, searching, easy collection and management of data, free scanning and archiving, Efficiency and sharing, PDF online conversion, editing, scanning, editing, management, one-stop platform.

DocuWare is a leading provider of document management software & solutions. Improve your document processing today with workflow automation software.

View and convert your PDFs into interactive web publications that work on any device (formerly FlexPaper).

Experience fast, reliable and scalable template-based document generation with Docmosis. Generate documents from custom software or third-party platforms.

ej-technologies offers best-in-class Java development tools: JProfiler is the industry-leading Java profiler, install4j is the most comprehensive Java installer builder

The Windows SDK for Windows 11 contains headers, libraries, and tools you can use when you create apps that run on Windows.

Adobe Acrobat covers all of your PDF needs. From sharing edits to converting documents, Acrobat's got it.

CoolNew PDF editor offers an all-in-one experience to convert pdf to word, excel, powerpoint, CAD, image, text. Get your 7-Day Free Trial

CocoDoc provides a full-fledged platform for teams to edit, fill, sign, manage, and share PDF documents under one roof.

Foxit eSign lets you send & receive electronic signatures easier & more securely. eSign & send PDF or Word documents, wherever you are. Try it for free!

Convert images and PDFs to LaTeX, DOCX, Overleaf, Markdown, Excel, ChemDraw and more, with our AI-powered document conversion technology.

This online PDF compressor allows compressing PDF files without degrading the resolution (DPI), thus keeping your files printable and zoomable.

Try our PDF to Excel online converter with free API. Convert to one or many worksheets. Easy to use and no download required

Document capture software. Scan to database software. Complete suite for document scanning and data entry. Apply OCR and metadata to automate your documents.

DevExpress provides best-in-class UI controls, tools, and frameworks for WinForms, ASP.NET, MVC, Blazor, ASP.NET Core, WPF, VCL, Xamarin, and JavaScript developers.

Speed business processes and let employees work anywhere with all-new Adobe Acrobat products and Adobe Document Cloud.

All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment.

Enjoy the best free PDF reader with Adobe. Acrobat Reader lets you read, sign, comment, and interact with any type of PDF file.

PDFLite - The free, open-source and light-weight PDF Reader and Converter. Convert files to PDF like Word and JPG

KDAN PDF Reader is the top-rated PDF editor for iOS, Mac, Android, and Windows devices.

The best free PDF editor for editing PDFs. Merge, compress, create, add text, review and edit PDF files. Convert Word to PDF and image formats PNG, JPEG, TIFF to PDF too. Fast, secure, easy and entirely online. No software downloads, no payment required.

Automate data extraction, validation & review from unstructured documents with 99% accuracy. Get 10 times more efficient at processing various documents with Docsumo's IDP solution and custom-made APIs.

A document management system that can help your organization better manage business processes and put order in the documents every day run your business

Developer APIs / SDKs for enterprise-ready features like Single Sign-On (SSO/SAML), Passwordless Authentication, Directory Sync (SCIM), Audit Trail (SIEM), and more. Get started for free.

EDI software tools to translate, generate, validate and acknowledge X12, HIPAA, EDIFACT, EANCOM, VDA, PNRGOV, HL7, NCPDP, IAIABC, EDIGAS

Doc-O-Matic is a software source code documentation and Help authoring tool. It takes source code and comments, adds conceptual topics and external input and produces documentation from it. With its single-source approach it generates many different kinds of output from a single documentation base.

Learn how to use Acrobat Web apps and services to create, export, organize, sign, and share PDFs.

Power your real-time app with PubNub—the world's largest pub/sub network. Scale to 3 trillion API calls/month, with <30ms global delivery. Start building now!

Interactive maps solutions: no-code mapping tools and advanced map SDKs to easily publish on any website or mobile apps map products people love to use.

PDFmyURL turns Web Pages or complete Sites into PDF with one click. Use our URL / HTML to PDF API in PHP, Java, .NET, Perl, Ruby, Python or JavaScript with our examples!

Offer intelligent image processing, text and table recognition, and document content extraction products to global users.

Turn potential into profit. Archilogic's digital twins make space management smarter, reduce costs, & unlock data-driven insights for max portfolio value. Leverage seamless integration, space comparison across your entire portfolio, and auto-polylining for optimized, efficient layouts.

Extract data from PDF documents and images in real time. Intelligent Document Processing for your Business Automate data extraction from your business documents with AI. Use it free.

Server-based OCR service for document conversion and OCR automation. Learn more about ABBYY FineReader Server, the next generation of ABBYY Recognition Server.

Free viewer for PDF, DOC, DOCX, PHP, CFG, DAT etc. files

Barcode Generator & Reader for Java, .NET, C#, ASP.NET, VB.NET, Android, IPhone projects by OnBarcode

Batch convert and process HTML, DOCX, DOC, PDF, ODF, RTF, TXT documents online or via REST API

Next-gen digital forms software for service businesses and developers. Digitize and mobilize your forms for any data collection scenario. Easy form builder, fillable forms, mobile forms, PDF generation, form integrations, form builder SDK's, and more.

InstallAnywhere delivers professional multi platform installations. Reliable installations for Windows, Linux, Apple, Solaris, AIX, HP-UX, and IBM.

HTML to PDF API : Generate beautiful PDF documents or PNG screenshots with an API and store them directly in your own S3 bucket without compromising privacy with a managed Puppeteer

Email API and SMTP relay to not just send and measure email sending, but also alert and optimise. We provide you with tools, expertise and support needed to reliably deliver emails to your customers inboxes on time, every time.

FlipBuilder provides HTML5 flip book maker software to build wonderful page flipping effect ebooks from PDF, images and Office files.

Turn your PDFs into interactive online publication. Customize, share and track how they perform in real time.

VWO Testing, part of VWO Platform, helps you and run A/B, split, multivariate, and feature tests to optimize user experience & increase conversion rates across web, mobile, servers, and other devices.

Label your point cloud and image data in a single task. For machine learning teams labeling robotics data at scale. Start your free trial now.

Contentstack is the foundation you need to successfully adopt a composable digital experience architecture at any scale. We’ve paved the composable way, removing complexities and providing the technology, expertise and support you need. Legacy martech platforms can be retired, unleashing DX innovation with a tremendous ROI.

Automated AI-powered tools to generate Code & Api documentation from your source code files.

Save time building sleek web, mobile and desktop apps with professional .NET UI Components, JavaScript UI Libraries, Reporting and Automated Testing solutions.

Abstract provides powerful APIs to help you enrich any user experience or automate any workflow. Used by 10,000+ developers worldwide.

Develop .NET, ASP.NET, .NET Core, Xamarin or Unity applications on Windows, Mac, Linux

The Trusted Developer Experience platform for APIs. Achieve faster API onboarding via automatic SDKs, docs, code samples, and guided walkthroughs.

Jotform Online PDF Editor lets you turn form responses into PDF, customize it with drag and drop elements, change the size and layout. Start using our free PDF editor!

The leading document parser. Extract data from PDF to Excel, JSON or update apps with webhooks via Docparser.

Create, edit, publish, and manage XML content with seamless integration from Arbortext. Dynamically publish a wide range of media, translated and delivered in real time.

Import data easily, build optimized routes efficiently, and execute tasks transparently.

Scanshare Applications B.V.

SendSafely lets you easily exchange encrypted files and information with anyone on any device. Let us take the headache out of secure file exchange.