Best PDF SDK with a Free Trial of 2026

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.

This is the well-known SDK that works with Android, iOS, and Windows UWP. It was developed by our team in 2012, and began to be used as a tool for Android, iOS and Windows UWP. We have not stopped improving it since. RadaeePDF Classic offers fully customizable frameworks in Java, Objective C and C#. The range is completed with simplified Cordova (Android) and Xamarin (iOS) plugins. RadaeePDF Classic SDK is used by over 6000 SMBs and large corporations in over 8500 applications. It includes PDF read, different rendering formats, support for PDF annotations, text search, and extraction, among many other features. The Master Edition is a significant step up from the Classic version. It includes advanced features such as complete form fields manipulation, pdf optimization, xfdf export/import, signature and certificate handling, as well as advanced features such a PDF read, different rendering layouts, support for PDF annotations, text search and extraction, and many more.

Fast and efficient Document APIs for.NET Standard2.0 and Java Get total document control with ultrafast, low-footprint document APIs designed for enterprise apps. Create, load, edit, and save spreadsheets, images, PDF, and DOCX files. Quickly create large spreadsheets, Word, images, PDF documents, and large spreadsheets. Excel, Word, and Acrobat are independent. Run on Windows, Mac and Linux. Deploy to Azure or AWS Lambda. What’s New in GrapeCity Documents v5: - Full support for .NET 6 - SVG support for GrapeCity Documents for PDF and Imaging - Print PDF documents on Windows with GrapeCity Documents for PDF - UI enhancements for GrapeCity Documents for PDF Viewer - And much more!

AmindPDF's user interface is very user-friendly and makes the operation of PDF easy. It can recognize PDF text as paragraphs or whole blocks of text, allowing users to edit text directly and smoothly, like in MS Word. for PDF protection, it allows adding passwords, setting document permissions, placing signatures, adding watermarks to PDF. It also supports batch operations to process files, such as merge/split tool, compression tool, creation tool, Bates numbering tool, and conversion tool, so users can process multiple PDF files at once. AmindPDF is available for a number of platforms: Windows, iOS, and Android. Users are able to use the same PDF tool on a computer or mobile phone. So AmindPDF let you process or edit PDFs anytime, anywhere. Edit PDF Text: AmindPDF allows the user to change the font, font size, font color, and font style, and reset the alignment of pdf text. Edit Images: The user can select the images in pdf, then manipulate the images: replace an image, rotate the image, crop the image, or remove the image. AmindPDF can combine more than one PDF or image file into one PDF. The file name of being combined files will be used to build the outline of the combined pdf.

The PDFix SDK empowers users to automatically enhance the accessibility of existing PDF documents. It facilitates the conversion of standard PDFs into high-quality, accessible PDF/UA formats. With its auto-tagging capability, the SDK identifies crucial document elements such as text, images, tables, headers and footers, headings, lists, and reading order. By enabling automated batch processing, it not only saves valuable time but also significantly lowers remediation expenses. If you've ever attempted to extract information from multiple PDF files, you certainly understand the challenges involved. Utilizing advanced machine learning techniques, the SDK has developed an algorithm that enables seamless and structured data extraction. As a result, users can easily identify various logical components, including text, headings, images, tables, headers and footers, and lists. Furthermore, it allows for scraping data from PDFs and converting it into your preferred formats, such as HTML, CSV, JSON, or XML, making the process much more efficient and user-friendly. This functionality is particularly beneficial for organizations aiming to improve their document accessibility and streamline data management.

GdPicture.NET PDFSDK is an intuitive API that allows you to create fully-customizable apps for any software development. Your applications can now have a fully-featured and customizable viewer. This viewer is available for all platforms and displays complex files immediately with a clear rendering and full Unicode support. All versions of PDF and pdf/A as well as 100+ document, office and image formats. You can add thumbnails, annotations and signatures. Redaction, encryption, text search and more. GdPicture.NET PDFSDK allows you to create compliant, structured, and secure PDF files (all versions, including PDF 2.0). You can even create accessible PDFs using PDF/UA generation features. You can make your PDFs available for long-term archiving using PDF/A compliance, or you can generate PDF files for the Web using linearization. You can also add layers and transparency to other contents.

The Aquaforest SDK is a robust set of tools designed for comprehensive PDF processing, offering features such as content extraction, the creation of searchable PDFs, and OCR capabilities powered by both its native engine and extended options from Canon IRIS, along with handwriting recognition via Google and Microsoft APIs. With an advanced PDF and barcode toolkit, it boasts high performance levels, capable of utilizing up to 64 cores for efficient processing. This SDK can effectively analyze PDF documents to automatically extract name/value pairs, facilitating a range of PDF manipulations including merging, attachment processing, content extraction, XMP metadata handling, and PDF/A validation, among others. The standard OCR engine included supports 23 languages and is available in all versions of the SDK, ensuring versatility for various applications. Furthermore, it provides seamless access to Google and Microsoft’s cloud OCR services, which is particularly advantageous for specific tasks such as recognizing handwritten text. Additionally, the SDK has the ability to read and interpret most common barcode formats, enhancing its utility in diverse document processing scenarios.

It is PDF Viewer SDK. It supports fast open PDF, print a PDF and export text to text files.