Best PDF Annotators for Microsoft OneDrive

The Nutrient SDK integrates PDF annotation and markup directly within applications, allowing users to annotate documents on-site rather than exporting them to an external review platform. This tool is utilized by developers, product managers, and document review teams for various tasks such as contract and compliance assessments, board pack reviews, engineering markups, and approval processes. It supports over 15 industry-standard annotation types, including highlights, underlines, strikethroughs, ink drawings, shapes, stamps, sticky notes, and free text, ensuring consistent rendering across web, mobile, and desktop environments. Users can add threaded comments linked to annotations, capturing the author and timestamp, with options to resolve or reopen discussions. Additionally, permission settings determine who can view, comment, or modify annotations. Teams have the ability to personalize colors, toolbars, and stamps, manage annotations through an API, and export in XFDF format for compatibility with other PDF tools or Instant JSON for seamless synchronization across users and devices.

MobiPDF (formerly PDF Extra) is an intuitive reader and editor that allows you to read, edit, create, OCR, organize, annotate, fill and sign, convert, and share any PDF. This makes MobiPDF an excellent choice for users seeking a budget-friendly alternative to Adobe Acrobat Pro. HERE’S WHAT YOU GET WITH MOBIPDF: Multiple Page View Modes: Enjoy a distraction-free "Read Mode". Advanced Editing Tools: Experience a Word-like PDF editing environment. Two-Way Conversions: Convert PDFs to and from Word, Excel, PowerPoint, or image formats. OCR Support: Make scanned documents searchable. Markup Tools: Highlight, comment, strikethrough, stamp, and more to enhance your documents. Effortless PDF Organizer: Reorder, compress, split, and combine PDFs with ease. Sign & Secure: Add signatures, create and fill forms, and protect your PDFs with passwords, encryption, and digital certificates. Offline Mode: Work freely on your projects, even offline. Seamless translation: One-click translate any PDF into 50+ languages.

PDF Studio Viewer is a multi platform document reader that is dependable and very simple to operate. PDF Studio Viewer has the ability to annotate documents and fill documents that are interactive. To experience an upgraded version of this product, you can check out PDF Studio Standard and PDF Studio Pro. Features included in PDF Studio Viewer: -Display PDFs with high fidelity -Annotate & Markup PDFs -Fill & Save Forms -Render Digital Signatures & Layers -Advanced User Interface -Advanced Print & Search Options -Document Storage Integrations -DocuSign© Integration

Create, review and edit PDF Documents with this full-featured PDF editor available for Windows, Mac, and Linux. PDF Studio is easy to use and a dependable substitute for PDF editors such as Adobe® Acrobat®. It contains all the PDF features and tools needed at a much affordable price, maintaining full compatibility with PDF standards. PDF Studio Standard Features: -Create PDFs -Scan to-PDF -Annotate and markup PDFs -Precision Measuring Instruments -Fill in and Save PDF Forms -Secure Documents -Append/Delete Pages -Create Watermarks, Headers, Footers -Loupe, Pan & Zoom, Rulers, etc... -Document Storage Integrations -DocuSign Integration -Supports PDF 2.0 standards PDF Studio Pro Features: -All features in Standard, Plus... -Interactive Form Designer -OCR (Text Recognition). -Content editing (Text and images) -Redact & Sanitize PDFs -Compare PDFs -Optimize PDFs -Digitally Sign PDFs -Advanced Imposition

Nitro PDF delivers a comprehensive PDF editing platform designed to empower individuals and organizations to create, edit, convert, and secure PDF documents with ease and precision. Known for its intuitive interface that resembles Microsoft Office and Apple’s toolbar, Nitro ensures quick user adoption regardless of technical expertise. Its rich feature set includes OCR capabilities, advanced annotation, digital signatures, and seamless integration with tools like Microsoft 365 and SharePoint. Security and compliance are central to Nitro’s offering, with multiple global certifications including SOC 2, HIPAA, QTSP, and ISO 27001 assuring robust data protection. The platform’s AI-driven productivity tools automate repetitive tasks and enhance collaboration, enabling teams to work smarter and faster. Nitro PDF is supported by a dedicated customer success team available 24/7, ensuring smooth implementation and ongoing support. Flexible subscription plans and a one-time purchase option cater to diverse needs from small businesses to large enterprises. Trusted by leading companies worldwide, Nitro PDF transforms document workflows into efficient, secure, and productive processes.

Drawboard PDF - Powerful PDF tools. Most intuitive PDF editing and markup app for Windows, iOS, macOS, android and web. Drawboard PDF – All the essentials free! Mark up and edit any PDF with the ease of pen and paper. PDF MARKUP TOOLS TO HELP YOU WORK WONDERS. DRAW All the inking tools you need to markup and collaborate with the feel of pen and paper. INSERT Insert anything you need; text, notes, callouts, signatures, images, audio notes, and more. MEASURE Measurement tools for technical teams in Architecture, Construction Manufacturing and more. Get accurate measurements of elements on-page with easy calibration. ORGANIZE Keep all your docs in one place, local and cloud. Merge, split, compress and rearrange PDFs with ease. CROSS-PLATFORM Work from anywhere on any device, in real-time! COLLABORATE Instant collaboration right on the page. Do work where work is done. Invite team members to your canvas. Share your doc using the Drawboard Cloud – a new home for PDFs. Designed to replace pen and paper with an extensive array of tools and an intuitive interface to make going paperless the easier choice.

KDAN PDF offers a unified document intelligence experience for modern experts and individual professionals working across multiple platforms. Available on Windows, macOS, iOS, and Android, this solution bridges the technical gap between mobile and desktop productivity. By implementing latest AI technologies, KDAN PDF enables users to chat with their documents to retrieve specific insights, reducing manual search time and enhancing information retention. Beyond standard PDF viewing, KDAN PDF provides professional-grade editing tools that allow for direct modification of text and images within the document. Its cross-platform synergy ensures that a project started on a workstation can be seamlessly continued on a mobile device with a consistent toolset. Security is prioritized through AI-assisted text redaction, password encryption, and customizable watermarks, ensuring data privacy in industries such as law and education. Whether you are performing high-fidelity conversions to Microsoft Office formats or organizing complex documents with merge and split functions, KDAN PDF delivers a reliable and responsive workspace for all your documentation needs.

Accelerate your document reviews and uncover facts with ease while discovering connections that others may overlook. LiquidText transcends traditional paper methods, as note-taking and document analysis tools have remained largely unchanged, relying on margin notes, highlights, and sticky notes that have been utilized for ages. Despite the rise of digital apps, a significant percentage—over 80%—of knowledge workers continue to favor paper in their professional and academic settings. However, LiquidText advances beyond these limitations by effectively capturing your reading materials, notes, highlights, and annotations, while also exposing the relationships among them and the source content. This innovative tool organizes your project’s elements in a clear and shareable format, allowing for a seamless connection between related notes and ideas. With just one tap, you can visualize these interconnections and access the original context, making it easier than ever to craft comprehensive reports from your insights. By transforming how you interact with your documents, LiquidText empowers you to work more efficiently and creatively than ever before.

GoodReader® is a comprehensive tool for managing PDF and TXT files, encompassing creation, conversion, editing, and annotation capabilities. Renowned for its powerful features, GoodReader® serves as a file viewer that excels in handling PDF documents, and it has established itself as a leading PDF editor app for iPad, iPhone, and iPod touch. In fact, the iPad version was the top-selling non-Apple application in the USA back in 2010, and the developers have consistently enhanced the app over the years, solidifying its status as a premier mobile productivity solution. Users can enjoy reading a wide array of content on their devices, including books, movies, maps, and images, making it an indispensable tool for document handling. Once you experience the convenience of GoodReader on your iPad or iPhone, you'll find it hard to believe you ever managed without it. Additionally, GoodReader offers automatic synchronization of individual files and entire folders with their remote counterparts on online servers, while also providing access to email servers and allowing for easy email attachment downloads. This versatility ensures that whether you're working on the go or at your desk, GoodReader remains an essential companion for all your document needs.