Best PDF Annotators in Asia

Apryse (formerly PDFTron) makes documents work harder for you. We give organizations the power to handle the full document lifecycle — from secure server-side processing to smooth web-based collaboration — without relying on third-party services. With Apryse, you can: Integrate advanced document capabilities like viewing, editing, annotation, and e-signature directly into your applications. Deploy on your own infrastructure for maximum control, privacy, and compliance. Scale effortlessly with technology built for high-volume, enterprise-grade workflows. Deliver modern web experiences that are fast, accessible, and reliable across browsers and devices. Trusted worldwide, Apryse helps enterprises, developers, and small businesses simplify workflows, cut costs, and deliver better digital document experiences.

Nutrient provides an extensive solution for all your PDF requirements, delivering tools that seamlessly operate PDF features across any platform. 1. SDK: Incorporate advanced PDF functionality into iOS, Android, Windows, web, or any cross-platform technology, supplying abilities like PDF viewing, annotation, collaboration, and beyond. 2. Libraries: Employ our powerful .NET and Java libraries to enhance your backend applications with batch processing of redactions and PDF forms, OCR'd scanned text, and PDF document editing, all directly from your application server. 3. Processor: Our agile PDF microservice, Processor, enables rapid generation of PDFs from HTML, including HTML forms, as well as Office-to-PDF conversions, OCR, redaction, and XFDF combining and exporting. 4. PDF API: Take advantage of our hosted PDF API to generate, convert, and alter PDF documents in your workflows. We handle the development and server management, freeing you up to concentrate on your business. At Nutrient, we're not just a tool; we're a committed ally in your success. Gain direct contact with our engineers for expert guidance, utilize comprehensive examples to simplify integration, and make the most of our top-tier documentation.

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.

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

SwifDoo PDF is an All-in-One PDF Maker, Reader, Editor and Converter for Windows SwifDoo PDF enables users to create, convert, merge, compress and sign PDF documents with minimum effort. The intuitive design tool also enables you to insert links or images to PDFs. The PDF document can be converted to Microsoft Word, Excel, PowerPoint, JPG, PNG, TIFF, BMP, and vice versa. You can also convert CAD to PDF. The PDF compression module integrated with SwifDoo PDF is optimized for file size without quality loss. SwifDoo PDF has a number of special features for scanning copy convert. Besides many convert features. PDF Reader PDF Annotation (Including Stamp) Picture/image Extraction (only need copy and paste from PDF) PDF Edit PDF Compress PDF Merge PDF Split PDF Signature System Requirements: Windows 10/7/8/vista/XP Edition: SwifDoo PDF 2.0.1.9

Systweak PDF Editor is an all-in-one PDF software for Windows designed to simplify your document workflow. Easily view, edit, annotate, merge, split, compress, and convert PDF files without hassle. Edit text, images, and links directly in your PDFs, and convert files to Word, Excel, PowerPoint, or image formats while maintaining formatting. With built-in OCR, extract editable text from scanned documents or images. Secure your PDFs with passwords, permissions, redactions, and digital signatures. Organize pages with drag-and-drop ease and perform batch operations for increased productivity. Whether you're handling contracts, eBooks, forms, or reports, Systweak PDF Editor offers unmatched performance and a clean, intuitive interface. Compatible with Windows 11/10/8.1/7, it's the perfect PDF tool for professionals and everyday users alike.

Global OEMs, SaaS and enterprise end-users rely on Adobe PDF Library to automate the creation, editing and management of PDFs. An Adobe partner, our SDK uses the same source code as Acrobat for stability, reliability and quality results. Languages: .NET, .NET Framework, Java and C/C++ Platforms: Windows, Linux & MacOS Package managers: NuGet & Maven Capabilities include but are not limited to: -Annotations -Content creation -Content modification -Color management -Extraction - text, images, forms -Compression/optimize -Conversion - PDF/A, PDF/X, EPS, PostScript, XPS, ZUGFeRD, color -Display, Printing -Extract text, images & other content -Forms - Import, export, flatten static & dynamic XFA forms, AcroForms -Images - extract, import/export, thumbnails, render/rasterize pages, separations -Optimization - size, content, images, etc. -OCR - add text to document, add text to image -PDF to Office Documents (Word, Excel, PPT) -Security - Viewer settings, redactions, password, encrypt/decryption, watermark Pricing options for OEMs, SaaS & end-users are flexible and based on usage. Shorten development times & get to market faster with Adobe PDF Library. Free trial - download today.

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.

PDNob PDF Editor is an advanced, AI-powered PDF management tool designed to streamline document workflows for users on both Windows and Mac. It offers a comprehensive set of features that enable users to view, annotate, edit, convert, organize, and protect PDF files with ease. The software’s intuitive interface ensures that users of all experience levels can efficiently navigate and manage their PDF documents. Key features include Optical Character Recognition (OCR) for converting scanned PDFs and images into fully editable and searchable text, as well as AI-driven document summarization for quick content overviews. PDNob PDF Editor also supports merging, splitting, compressing, and organizing PDF files, making it an ideal solution for managing large volumes of documents. Additionally, the software offers robust security features like password protection, encryption, and permission management to safeguard sensitive information. With its seamless cross-platform support and powerful editing capabilities, PDNob PDF Editor is suitable for a variety of users, including professionals, businesses, educators, and students. Whether you need to create, edit, secure, or analyze PDFs, PDNob PDF Editor provides an all-in-one solution.

Wondershare HiPDF is an AI-powered online PDF solution that offers a wide range of features such as chatting with PDF, AI reading, editing, converting, OCR, signing and managing PDF documents. It also provides many image tools. HiPDF is easy to use and has a free plan. It allows users to easily summarize, explain, rewrite, merge, split, compress, convert, rotate, unlock, and protect PDF files with just a few clicks. As a member of the PDF Association and having received internationally recognized certifications such as ISO 27001 and SSI SECURE, HiPDF ensures both simplicity and security in editing PDFs, having processed millions of files cumulatively. Top Features: AI read: Summarize, rewrite, explain and chat with PDFs with the AI PDF reading assistant. Convert PDF: Convert PDF documents to and from any Microsoft Office format or image. Merge PDF: Combine PDF files online. Compress PDF: Reduce the size of your PDFs online easily. Sign PDF: Quickly and securely fill and sign PDFs from any device, anytime, anywhere. Protect PDF: Protect PDF from copying, editing, printing and viewing with passwords. Keep sensitive data confidential.

CoolNew PDF is a software with many features to manage PDF documents. Editing, converting, splitting, combining, annotating, and protecting your files is a taste of what the app can do, but it doesn't stop there. The program comes with a flashy interface, but it is intuitive and easy to navigate. Using the ribbon, you can sift through the categories of available functions. Each ribbon entry comes with its own toolbar containing functionality specific to its description.  CoolNew PDF can export most Office documents to and from PDF. The same rule also applies to images. Merging, splitting, and extracting pages and images are the most basic features a PDF manager can have, but they are essential. In addition, it is possible to apply watermarks and encrypt files easily, when protection is needed, and an OCR tool can help extract text from images, which can save a lot of time. hit.

PDFgear is a PDF solution that allows users to view, edit, convert, sign annotate, organize and more on Windows, MacOS and iOS. PDFgear's clean and simple interface allows users to enjoy reading and editing documents without interruption. PDFgear Copilot is a personal assistant that offers more options than a standard document assistant. It's powered by AI so users can easily manipulate all the PDFgear features and chat with PDFs. You're lost in the vast array of functions and document content? Don't worry! Ask Copilot! You can ask Copilot anything! Processing PDFs is as easy as a stroll in the garden with PDFgear.

novaPDF can create PDF files from any printable document. This includes emails, MS Office documents, web page, and text. It acts as a printer driver, and you can print from any Windows program that supports printing. Simply set novaPDF Pro to be your default printer and the document will convert and be saved as a PDF file. You can customize the resolution, security, profile, bookmarks, text/image compression and more.

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.

LightPDF helps users handle PDFs and images efficiently with AI automation, OCR, and full editing capabilities—all in one platform for work, study, or collaboration. 【AI Tools】 • AI PDF Generator: Create PDFs from prompts in 20+ languages • PDF to Mind Map: Generate editable mind maps from PDFs • Prompt to PPT: Generate fully editable PowerPoint slides • PDF Translation: Translate documents in one click • Watermark & Logo Removal: PDFs and images • AI Agent: Automate multiple PDF tasks at once 【Watermark & Image Processing】 • PDF Watermark Remover • Image Watermark Remover • Sticker Remover • Logo Remover • Image Text Remover 【OCR & Image Conversion】 • Image to Text: JPG to Word, Image to TXT, and more • Image format conversion: HEIC, WebP, PNG, JPG 【PDF Editing & Conversion】 • Convert PDFs to Word, Excel, PPT, TXT, PDF/A, Markdown, etc. • Convert other formats to PDF: Word, PPT, Excel, HTML, JPG, PNG, and more • Edit PDFs: Annotate, replace text, add/remove pages, merge, split, crop, rotate, compress, optimize

The PDF Converter app allows users to easily convert any file on their iPad into a PDF document. You can access and download files from emails, cloud storage, or the internet directly on your device, transforming them into visually appealing PDFs in no time. This app is specifically designed for this function and excels at it. Whether it's a multi-million dollar contract or a simple web page, you can save it as a PDF within seconds. Indeed, PDF Converter is capable of generating high-quality PDFs from a wide variety of file types, including email attachments, iWork and MS Office documents, images, web pages, and many others. Once your PDF is created, you can utilize the robust features of PDF Expert to view, annotate, edit, or merge your documents seamlessly. The conversion results are precise and reflect the original content perfectly, as users maintain complete control over the process. Additionally, the app ensures total security, performing all conversions locally on the iPad without the need for an internet connection, meaning your files remain private and secure. Furthermore, this makes the app highly convenient for users who may not always have access to the internet.

This document and image cleanup and processing toolkit allows developers the ability to quickly integrate document handling functions such as image manipulation, compression, manipulation, manipulation, manipulation, editing, manipulation, compression and image enhancement into their applications. ImageGear allows your application to clean up files such as deskew, line, and speckle removal, among others. ImageGear's color-processing tools can be used to improve image quality and reduce compressed file sizes. This SDK for image processing and document cleaning includes many APIs that allow image processing and clean-up. ImageGear can help you add functionality to your applications. Learn how ImageGear can meet all of your document lifecycle requirements. This PDF SDK allows.NET developers add robust PDF functionality to their applications. Users can view, annotate and compress pages. Discover all the PDF manipulation capabilities of ImageGear PDF and how it can enhance your application.