Best PDF Encryption Software with a Free Trial

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

pdfRest API Toolkit was made by developers, for developers. Rapidly integrate PDF workflows with any business application, simply and seamlessly. pdfRest API Toolkit includes all of the PDF processing tools you'll need, to make your job easy. PDF to Word, PDF to Excel, PDF to PowerPoint, Add to PDF, Query PDF, Extract Text, Convert to PDF, PDF to Images, Convert to PDF/A, Convert to PDF/X, Compress PDF, Linearize PDF, Flatten Forms, Flatten Transparencies, Flatten Annotations, Flatten Layers, Merge PDFs, Split PDF, Encrypt PDF, Decrypt PDF, Restrict PDF, Watermark PDF, Import Form Data, Export Form Data, Convert PDF Colors, OCR PDF, API Polling, Upload Files, Zip Files. Get up and running fast with the pdfRest Postman Collection or start from functional sample code in .NET, JavaScript, Python, PHP, and cURL from the pdfRest GitHub repository. Gold-standard processing powered by Adobe® PDF Library™ ensures the highest quality results. Free to get started with no commitment.

Edit your PDFs with powerful yet easy workflows across desktop, mobile, and web - whether you’re at the office, home or on the go. Foxit PDF Editor provides a cost-effective solution for business professionals to work securely with PDF documents and forms. It provides a full featured platform to view, create, edit, collaborate, share, secure, organize, export, OCR, and eSign PDF documents. With its enterprise functionality, integration, and mass deployment capabilities, combined with its affordability, it makes a great alternative to evaluate when yearly subscriptions of existing PDF solutions expire. Foxit PDF Editor comes in two editions-PDF Editor and PDF Editor+. Foxit PDF Editor is perfect for individuals and groups of knowledge workers who need to create, review, edit, manage, share, and secure PDF documents. PDF Editor+ builds upon PDF Editor by providing knowledge workers with additional editing, collaboration, and security capabilities required in larger organizations.

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.

pdfRest API Toolkit Self-Hosted is available on the AWS Marketplace and can be spun up in just a few clicks. Self-host a production ready server to integrate the PDF processing API Toolkit into your own service or to automate your internal document workflow. Watermark PDF, Add to PDF, Query PDF, Convert to PDF, PDF to Images, Convert PDF Colors, Convert to PDF/A, Convert to PDF/X, Compress PDF, Linearize PDF, Flatten Annotations, Flatten Layers, Flatten Transparencies, Merge PDFs, Split PDF, Encrypt PDF, Decrypt PDF, Restrict PDF, Extract Text, OCR PDF, Upload Files, Zip Files. Maintain full control with a dedicated EC2-based RESTful API with scalable performance to meet your needs. Built with Adobe PDF Library, the same technology that powers Adobe Acrobat, and developed by Datalogics, globally-trusted document processing experts for over 50 years, pdfRest has the gold-standard API Toolkit for high-quality PDF processing.

Locklizard protects PDF files and other digital documents from piracy, leakage and misuse. We stop unuauthorized access to documents and control how authorized users can use them. Stop theft of confidential and sensitive information, intellectual property, trade secrets, training courses, reports, ebooks, etc. Share and sell documents securely, stop data leakage and enforce compliance. Lock documents to devices and locations, dynamically watermark content, control expiry, stop printing, editing, copying and screen grabbing, and revoke access at any time. Track how your documents are being used. Locklizard uses strong US Gov strength encryption, DRM and licensing controls to ensure your documents remain fully protected at all times regardless of their location.

FormatPDF is a website that provides a variety of online tools for working with PDF documents. These tools include PDF conversion, merging and splitting, compression, encryption and decryption, as well as editing and annotating PDF files. With FormatPDF, users can easily convert a wide range of document formats to PDF, including Word, Excel, PowerPoint, and image files. The website also allows users to merge multiple PDF files into a single document, or to split a large PDF into smaller ones. In addition to conversion and manipulation tools, FormatPDF.com offers features for improving the quality and security of PDF documents. The website includes tools for compressing PDF files, which can reduce the size of large documents for easier sharing and storage. Users can also encrypt PDF files with passwords to restrict access, or decrypt protected files if they have the necessary credentials.

DRM-X 4.0 content protection platform, with new security architecture and more advanced security features. You can securely distribute protected Audio/Video, PDF, Web pages, Images and Javascript to Windows, Mac, iPhone/iPad and Android. With DRM-X 4.0 protection, you can get rid of the problem that you cannot effectively deliver and sell these contents due to piracy. DRM-X, Haihaisoft's digital rights management platform. Haihaisoft provides DRM as a service. The copy protection platform includes: File Encryption, Audio/Video Encryption, PDF Encryption, and Web Page (HTML DRM Encryption), all of them with DRM-X 4.0 advanced DRM features, and you can manage users, groups, rights and license profiles online in your DRM-X account. DRM-X 4.0 is a new generation DRM software platform based-on Xvast browser. It with new security architecture, support online/offline playback, improved user experience. DRM-X provides dynamic watermarking capabilities on protected digital content.