Best On-Premises PDF Converters 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.

Apryse, formerly PDFTron, is reimagining the world of documents. Bring accurate PDF viewing, annotating, editing, creation, and generation to any web, mobile, desktop or server framework or application. Apryse technology supports all major platforms and dozens of unique file types, including support for PDF, MS Office, and CAD formats. Own the full document and data lifecycle by deploying on your own infrastructure without worrying about third-party server dependencies.

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.

Global OEMs, SaaS and enterprise end-users rely on Adobe PDF Library to automate the creation, editing and management of PDFs. An Adobe partner, our SDK uses the same source code as Acrobat for stability, reliability and quality results. Languages: .NET, .NET Framework, Java and C/C++ Platforms: Windows, Linux & MacOS Package managers: NuGet & Maven Capabilities include but are not limited to: -Annotations -Content creation -Content modification -Color management -Extraction - text, images, forms -Compression/optimize -Conversion - PDF/A, PDF/X, EPS, PostScript, XPS, ZUGFeRD, color -Display, Printing -Extract text, images & other content -Forms - Import, export, flatten static & dynamic XFA forms, AcroForms -Images - extract, import/export, thumbnails, render/rasterize pages, separations -Optimization - size, content, images, etc. -OCR - add text to document, add text to image -PDF to Office Documents (Word, Excel, PPT) -Security - Viewer settings, redactions, password, encrypt/decryption, watermark Pricing options for OEMs, SaaS & end-users are flexible and based on usage. Shorten development times & get to market faster with Adobe PDF Library. Free trial - download today.

Add PDF Features with 2 API calls Open, Edit, View PDF. Two API calls and a configuration file are all you need. In less than a day, your app can import, view, edit, and open PDF features. The SDK can be used to neutralize differences between formats. This includes cropping, fills, color management, and fonts. The PDF Conversion SDK can convert all PDF versions, including ISO Standard PDF 2.0. Any PDF file or print-ready memory can be used as input. Conversions are seamless without any intermediate steps or compromises in quality. No printer driver. The PDF Conversion SDK works on Windows, MacOS, and Linux. It supports.NET. Included is an example code. Removes redundant information & compresses data. This provides great performance for web and application browsing.

The PDF Xpansion SDK 17 offers features, methods, and functionality that allow software developers to create PDF/A-enabled applications and software solutions. It provides a variety of options for creating, editing, and printing PDF, PDF/A, and XPS documents. These can be used to display and print them on paper and for conversions between these formats and exporting or importing from/to any other file format. PDF Xpansion SDK 17 also includes eInvoicing functionality for formats ZUGFeRD Factur-X, XRechnung, and Factur-X. It allows software developers to integrate EU-compliant electronic billing functionality (creation and display of electronic invoices, as well as the reading and printing thereof) according to EU standard. The SDK allows you to integrate these functions into Windows desktop apps for the PC as well as Windows Apps. It allows for modularized purchases of different functionality. This makes it very flexible and only the features that are actually required can be purchased.

Lua offers a complimentary online service for converting PDFs without the need for downloads! You can effortlessly transform PDF files into formats such as Word DOC, Excel, JPG, PNG, PPT, and HTML, or even create PDFs from various sources in the cloud. To merge or combine PDFs online, simply follow these instructions: 1. Click on "Choose PDF Files" and pick the PDF documents you desire to merge. 2. The PDF Combiner will promptly initiate the merging process. 3. Allow the tool some time to complete the operation. 4. Once finished, your selected PDF files will be consolidated into one cohesive document. 5. You can then download or share the merged file as needed.

Autobahn DX offers a powerful automated optical character recognition (OCR) solution and converts documents into searchable PDF format specifically designed for Windows Servers. It efficiently handles a wide array of input formats, such as TIFF images, PDF files, Microsoft Office documents, and HTML pages. Many global enterprises rely on Autobahn DX for their extensive bulk document processing needs. This software includes hot folder functionality, allowing teams to focus on their tasks while the application manages the document processing seamlessly. Additionally, its scheduling features can automatically retrieve and process files, further enhancing productivity. With our integrated standard or extended OCR engine, you can transform your documents into searchable formats by adding a hidden text layer. Users can also create custom scripts using the Autobahn .Net API for tailored automation. Moreover, merging or splitting documents is simplified into a single step, streamlining the workflow. The standard OCR engine supports up to 23 languages, while the extended engine accommodates over 120 languages, making it a versatile choice for diverse linguistic needs. Consequently, Autobahn DX stands out as a comprehensive solution for document management in a globalized environment.

When it comes to converting HTML files into PDFs, there are numerous factors to consider in order to achieve exceptional print quality. Whether you're transforming a webpage or utilizing Database Publishing, there exist methods to convert even intricate HTML into PDF format. PDFreactor offers a robust solution as an HTML to PDF converter, boasting an extensive array of features that surpass the capabilities of most other tools, thereby elevating your PDF conversion experience. With ease, you can convert HTML to PDF while enjoying support for HTML5, CSS3, and JavaScript. The software features APIs compatible with various programming languages, including JavaScript, Java, PHP, .NET, Python, Ruby, Perl, Node.js, and both SOAP and REST protocols, along with a Docker Image option. Additionally, a free personal license is available, making PDFreactor an ideal choice for web applications such as Database Publishing, Web-to-Print, PIM, DMS, MDM, DAM, WCMS, and VDP. Typically, it is employed for server-side HTML to PDF conversions, which can range from documents driven by dynamic data—like reports, invoices, and forms—to creating sophisticated, high-quality PDFs suitable for various purposes. Ultimately, PDFreactor empowers users to efficiently handle diverse printing needs while maintaining high standards of quality.