Best PDF APIs for .NET

Find and compare the best PDF APIs for .NET in 2025

Use the comparison tool below to compare the top PDF APIs for .NET on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Pdftools Reviews
    Top Pick

    PDF Tools

    $0/month/user
    13 Ratings
    See Software
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    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.
  • 2
    PDFmyURL Reviews

    PDFmyURL

    PDFmyURL

    $19 per month
    Utilize our HTML to PDF API to effortlessly generate PDFs from web pages or HTML content. Allow your users to convert web pages to PDFs with just one click! Transform entire websites into PDFs seamlessly! Join a multitude of satisfied customers who have been creating top-notch PDFs since 2008! You can swiftly convert any URL or raw HTML into an impressive PDF document. Our REST API is compatible with any programming language and is equipped with a variety of features, including customizable layouts, headers, footers, watermarks, encryption, and more. Simply integrate a "save as PDF" link or button on your web pages, enabling your visitors to download content as a PDF with ease. You have the flexibility to manage numerous layout options and personalize headers and footers. Capture your whole website as a PDF for copyright protection or other reasons. Just input the URL, and we will compile all the pages of the site into a single PDF file. While you enjoy a coffee break, we'll handle the rest and notify you via email when the process is complete, ensuring convenience all the way through!
  • 3
    PDFKit.NET 5.0 Reviews

    PDFKit.NET 5.0

    TallComponents

    $990 per year
    Generate and manage PDF files with ease by utilizing features such as splitting, appending, stamping, encrypting, extracting, and filling. PDFKit.NET is a fully managed .NET class library designed for the creation and manipulation of PDF documents, packaged as a single assembly that allows for straightforward xcopy deployment. It operates independently with no additional requirements beyond the .NET framework itself. At the heart of PDFKit.NET lies a coherent and user-friendly object model comprising various classes like document, page collection, page, canvas, shape, bookmark, annotation, and field. The development team's primary goal is to simplify the integration of this class library into larger applications. With PDFKit.NET 5.0, users can fill in text fields, checkboxes, and radio buttons, while also having the option to save the forms in either an editable state or as a flattened PDF. Additionally, this version introduces the ability to handle dynamic XFA documents through the new XFA processor API, enhancing functionality. Furthermore, PDFKit 5.0 enables users to extract all graphics from a page, compiling them into a collection of various shapes, which can include text, images, and curves, providing versatile options for document manipulation. This makes PDFKit.NET an invaluable tool for developers looking to incorporate robust PDF handling capabilities into their applications.
  • 4
    Adobe PDF Services API Reviews
    Generate a PDF from Microsoft Office files, safeguard the information, and seamlessly convert it into various formats. You can programmatically manipulate documents by reordering, inserting, and rotating pages, along with compressing the file sizes. Utilize the same cloud-based APIs that power Adobe's user-focused applications to efficiently provide scalable and secure solutions. Extracting text, images, tables, and other content from both native and scanned PDFs can be done, resulting in a well-structured JSON file. The PDF Extract API utilizes advanced AI technology to precisely recognize text elements and comprehend the natural flow of reading different components, such as headings, lists, and paragraphs that may extend across multiple columns or pages. Additionally, you can capture font styles and metadata, identifying characteristics like bold and italic text along with their respective positions in the PDF. The resulting information is formatted in a structured JSON file, with tables available in CSV or XLSX formats and images stored as PNG files. This comprehensive approach ensures that users can efficiently manage and manipulate their PDF documents while preserving essential data integrity.
  • 5
    Aquaforest SDK Reviews
    The Aquaforest SDK is an extensive suite designed for PDF processing that encompasses features such as content extraction, the generation of searchable PDFs, and OCR capabilities utilizing both the standard Aquaforest engine and the enhanced Canon IRIS engine, alongside handwriting recognition facilitated by Google and Microsoft APIs. With a robust PDF and barcode toolkit, it boasts high performance and can leverage up to 64 cores for processing tasks. This SDK provides the ability to analyze PDF documents efficiently, automatically extracting name/value pairs for further use. It offers numerous manipulation features, including PDF merging, handling attachments, extracting content, processing XMP metadata, and validating PDF/A compliance, among others. Notably, the standard OCR engine supports 23 languages and is available across all SDK editions, allowing for versatile usage. Furthermore, this tool integrates seamlessly with Google and Microsoft’s cloud OCR services, proving particularly beneficial for unique scenarios such as handwriting recognition. Additionally, the SDK is proficient in reading and identifying a wide range of standard barcode formats, enhancing its functionality in various applications.
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