Add a fully functional PDF editor to your ASP.NET website in minutes!
Compatible with 99% of desktop & mobile browsers, from Internet Explorer 6 through the latest iOS Safari release, RAD PDF simply works. No plugins or other software needed.
RAD PDF natively supports the most commonly used PDF features. Beyond a PDF reader, RAD PDF equips web applications with a browser-based PDF editor & PDF annotator. Features not even available in Adobe Acrobat Reader can be used to provide advanced PDF functionality. By enabling PDF form filling, PDF redaction, & PDF signing directly in the web browser, RAD PDF users can utilize PDF features without worrying about having the right platform or software installed! Allow your app to design new PDF forms, protect content, sign PDFs, & more using an intuitive graphical user interface (GUI).
Client (JavaScript) and server APIs allow for endless possibilities
.NET Core, Framework, & .NET 5+ supported
Try editing any PDF with RAD PDF, FREE!
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MobiPDF (formerly PDF Extra) is an intuitive and powerful PDF editor and reader designed for today’s modern user - the cost-efficient alternative to Adobe Acrobat Pro you’ve been looking for.
FEATURES OVERVIEW:
PDF Viewer and Reader: Switch between page views or use "Read Mode" for distraction-free reading.
Create and Edit PDFs: Modify text and images or start with a blank PDF.
Convert to Office Formats: Easily turn PDFs into Word, Excel, PowerPoint, and image files.
Leverage OCR: Transform scanned documents into searchable PDFs.
Organize PDFs: Combine, split, reorder, and compress documents.
Markup and Comment: Highlight, annotate, and add bookmarks or stamps.
Fill PDFs: Seamlessly fill forms or create ones from scratch.
Sign PDFs: Sign your documents anywhere—no ink required!
Secure Your Work: Protect files with passwords, digital signatures, and 256-bit encryption.
Offline Mode: Full functionality without internet access.
Translate PDFs
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Smallpdf
Made in Switzerland, the land of watches, banks, and clean design, Smallpdf is an award-winning company that offers a suite of clever document management tools for everyone—for work, for home, for life.
Founded in 2013, Smallpdf provides a simple, secure, and reliable answer to heavy, awkward PDF software. By removing unnecessary features and adding a deep focus on user experience, Smallpdf has become the most-loved and most-trusted PDF software on the planet, serving over 500 million users, 100,000 different companies, in 24 different languages, and in every country in the world—even Antarctica!
Smallpdf integrates seamlessly with professional and personal tasks, boosting productivity and simplifying the way people manage their documents, with tools to compress, convert, edit, sign, protect, and unlock PDF documents in just a few easy steps.
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Adobe PDF Library SDK
Adobe PDF Library is the only commercial PDF SDK built on Adobe Acrobat's own core engine, delivering the same rendering accuracy, PDF spec coverage, and behavior as Acrobat itself.
Available in Modern C++, Adobe C/C++, .NET, .NET Framework, and Java, and supported on Windows, macOS, and Linux. Create, edit, merge, split, annotate, and watermark PDFs programmatically; convert to and from Word, Excel, PowerPoint, PDF/A, PDF/X, and more; add OCR, digital signatures, redaction, and encryption; and process AcroForms and XFA forms.
SOC 2 Type 2 compliant, with a 91% customer retention rate among enterprise users.
For enterprise deployment, the pdfRest API Toolkit Container packages this technology as a self hosted REST API for on premises, private cloud, or hybrid environments.
Datalogics also offers Scout, an AI assistant, and an MCP server so teams can bring PDF capabilities into AI powered workflows.
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