Best PDF Annotators with a Free Trial of 2024

Apryse, formerly PDFTron, is reimagining the world of documents. Bring accurate PDF viewing, annotating, editing, creation, and generation to any web, mobile, desktop or server framework or application. Apryse technology supports all major platforms and dozens of unique file types, including support for PDF, MS Office, and CAD formats. Own the full document and data lifecycle by deploying on your own infrastructure without worrying about third-party server dependencies.

PSPDFKit 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 PSPDFKit, 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.

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.

PDF Extra is an all-in-one suite that enables you to effortlessly read, edit, create, OCR, organize, annotate, fill & sign, convert, and share any PDF. Focused on ease of use, the app has all features you need placed front and center so that you can start using them right away, no manual required. This makes PDF Extra a great choice both for complete beginners and users looking for a powerful and budget-friendly Adobe Acrobat Pro replacement. HERE’S WHAT YOU GET WITH PDF EXTRA: Multiple page view modes and a distraction-free “Read Mode” Advanced editing tools for a Word-like PDF editing experience Two-way conversions: Word, Excel, PowerPoint, or images OCR support: make scanned documents searchable in seconds Markup tools: highlight, comment, strikethrough, stamp, and more Effortless PDF organizer: reorder, compress, split, and combine PDFs Sign & secure: add signatures, fill forms, and protect PDFs with passwords, encryption, and digital certificates Offline mode: work freely on your projects, even when you’re unplugged from the internet

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

Install-free PDF editing, form filling, redaction, signing, viewing, and more on your website with RAD PDF! Packaged as an easy to use library / WebControl (compatible with .NET 3.5+, .NET Core, and .NET 5+), RAD PDF can be used with just about any flavor of ASP.NET including MVC, Razor, Blazor, WebForms, and more. RAD PDF is compatible with 99% of internet browsers, including those on Linux, Mac OS X, Microsoft Windows, and mobile. No plugins. No Adobe Reader. RAD PDF is more than a PDF to HTML converter. It natively supports all the most common PDF features including annotations, bookmarks, form fields, page labels, and more. With advanced PDF options, RAD PDF allows you to selectively enable and disable features not available with Adobe Acrobat Reader, like protecting a PDF from being downloaded while still viewable online. RAD PDF users can use PDF form fields directly from the web browser by enabling PDF form filling and PDF form saving without having to install any software. Integrating directly with ASP.NET, RAD PDF allows your web application to capture input data, build custom workflows, and provide an intuitive graphical user interface (GUI) for just about any online PDF interaction imaginable!

PDF Tools for you to be more productive with PDF documents. Free and easy to use! Add text, images, freehand annotations to PDF. Fill forms. Create your own signature and sign document. Send PDF files safely and securely with a link that automatically expires, zero-knowledge end-to-end encryption with 256-bit AES.

PDF Reader Pro is a PDF powerhouse that will fulfill all your document needs. Building on solid features such as read, annotate, edit, OCR, Sign, Create & Edit & Fill fillable PDF Forms, bookmark, outline, TTS, table, Create, Convert and manage PDF files regardless of the device you are using. Whether you are using an iPhone to create a PDF document or signing a PDF contract with your Android device, PDF Reader Pro lets you do all the thing you need to do effortlessly. Other features include Presentation, Link, Stamp, Compress, Security, Background, Header, Footer and Page, Bates Numbers, Text Search, Text Box, Touch Bar Support, export annotation, multiple conversion support. The best PDF to Office Converter! Export from PDF to Microsoft Word (.docx), PowerPoint (.pptx), Excel (.xlsx), RTF, HTML, Text, Image, CSV, and more Offline. PDF to Image. Convert PDFs to JPG, PNG, bmp, gif, tiff, tga and jp2

Systweak's PDF Editor has a wide range of tools and features to work with PDFs. You can use them to mark text for redaction and OCR PDF. You can also sign, split, compressed, batch convert, lock or unlock, and make many other changes.

Add robust PDF features to your apps with the easy-to-integrate MuPDF SDK/ The small yet fast viewer supports a number of document formats including PDF, XPS, OpenXPS, CBZ, and ePUB. The renderer is designed for high-fidelity anti-aliased graphics and renders text with metrics and spacing accurate to within fractions of a pixel. The PDF library includes interactive features such as annotations, form filling, digital signatures, redactions, and search. The command-line tools provide users myriad customization options for rendering and converting documents, and manipulating PDF files. MuPDF supports document conversion to other formats including HTML, SVG, and CBZ. In addition to the C library, there's a Java library using JNI that works for both Oracle's Java and Android. In addition to the Java API, C++ and Python bindings have been developed. MuPDF supports most of the major coding environments and operating systems. It is highly flexible and optimized for each unique platform. MuPDF API has been used as the PDF engine in a variety of deployments ranging from Android and iOS mobile applications, SaaS and cloud solutions, document management programs, and embedded products, to name a few.

It's simple, but powerful! SignFlow makes it easy to read, annotate, edit, e-sign and fill secure PDFs. SignFlow is your best partner for PDF files. It comes with all the essential tools. SignFlow allows you legally-binding digital signatures in PDFs. It also makes it easy to create, edit, and fill out PDF forms. You can edit text in PDFs such as word, manage and edit pages, annotate, and view your PDFs. You can choose from different reading modes: Full-Screen (single page), Read Mode, Split View and Multi-tab. You can scroll pages smoothly and switch between night mode, day mode and eye protection mode. Keep an eye out for annotations! You can highlight, underline and strikethrough PDF texts. You can use colors to emphasize different information. You can enrich your PDFs using standard business stamps such as APPROVED, digital and dynamic stamps, or custom text/image stamps.

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

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.

You can convert, create, edit OCR, compare, sign, and even OCR PDFs. You can customize the interface language and its appearance, from light to dark themes, to make it easier to work with PDFs. You can customize your conversions by choosing a page, paragraph, or a single line to convert. Convert complex PDF table data to Microsoft Excel using a custom PDF to Excel converter. Smart Layout Detector allows you to keep the table styles intact. Edit PDF text and pages. Annotate and remove PDF content. Sign PDF documents. Fill, edit, and create PDF forms. Split documents into multiple parts. Convert scanned PDFs into English, French and Spanish. Batch PDF conversion can be automated by storing large numbers of PDF files in queues and even entire directories. Batch create PDFs from a variety of formats and merge them all into one file. Add passwords and file permissions to create secure PDFs from existing pages or blank pages. Able2Extract Professional: Your Swiss Army Knife to create PDF files.

KDAN PDF Reader is a comprehensive PDF document service that leverages AI-driven technology to provide robust PDF capabilities. It enhances user efficiency in creating, managing, and sharing documents, streamlines business workflows, and transforms documents into invaluable digital assets through information exchange. Accessible on both mobile devices and desktops, KDAN PDF Reader is utilized by over 100 million users worldwide. It is widely used by educational institutions, government organizations, and businesses. KDAN PDF Reader provides flexible licensing options through its Licensing Service Center, complemented by comprehensive customer support, tailored to meet the diverse user requirements. Key Features: - Advanced AI capabilities: Translation, automatic detection and redaction of sensitive data, AI analyst Chatbot, table extraction, and document comparison. - Edit text in PDFs. - Secure documents with watermarks or PDF encryption. - OCR Convert PDF scans or images into searchable PDF files. - PDF management options include splitting, merging, and compression. - Seamless PDF conversion capabilities.

PDF.live allows you to convert PDFs into any other file format and vice versa. Convert Word documents, Excel sheets, PowerPoint presentations, and JPEGs. PDF.live works on any device connected to the internet and is cloud-based. This means that you don't have to download or install anything. Simply drag the document and follow the prompts to sign, annotate and edit text. You can also compress, merge, and compress your documents with this free online PDF editor.

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.

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.

AmindPDF's user interface is very user-friendly and makes the operation of PDF easy. It can recognize PDF text as paragraphs or whole blocks of text, allowing users to edit text directly and smoothly, like in MS Word. for PDF protection, it allows adding passwords, setting document permissions, placing signatures, adding watermarks to PDF. It also supports batch operations to process files, such as merge/split tool, compression tool, creation tool, Bates numbering tool, and conversion tool, so users can process multiple PDF files at once. AmindPDF is available for a number of platforms: Windows, iOS, and Android. Users are able to use the same PDF tool on a computer or mobile phone. So AmindPDF let you process or edit PDFs anytime, anywhere. Edit PDF Text: AmindPDF allows the user to change the font, font size, font color, and font style, and reset the alignment of pdf text. Edit Images: The user can select the images in pdf, then manipulate the images: replace an image, rotate the image, crop the image, or remove the image. AmindPDF can combine more than one PDF or image file into one PDF. The file name of being combined files will be used to build the outline of the combined pdf.

Conholdate.Total is the complete package for all.NET APIs offered by Aspose or GroupDocs. This allows developers to perform a wide variety of document processing tasks within their own.NET based apps. This.NET package provides all-in-one solutions for all types document management systems. It allows you to create, edit and print, view, sign, compare, sign, automate and convert between a variety of popular document formats. Conholdate.NET allows you to process a multitude of file formats. File formats can be opened, modified, converted, and modified easily. Conholdate.Total.NET currently supports the following file types: Microsoft Word documents Microsoft Excel spreadsheets Microsoft PowerPoint presentations Adobe PDF documents Microsoft Outlook Microsoft Project files More than 100 other file formats

LightPDF was created to make it easy for anyone to use PDF documents. LightPDF has an intuitive interface. This program allows you to read, edit, and convert PDF documents. Built-in PDF editing capabilities: 1. Modify a PDF: Add text, annotate and insert links. You can also add headers or footers. 2. Convert PDF to Word, Excel, PPT or JPG. 3. Manage PDF pages: Insert or delete pages, rotate pages and extract, replace, split, or merge pages. 4. Sign a PDF: Add a manual signature or digital signature. 5. Lock PDF: Add a password for your PDF document. 6. Other tools: OCR and compress PDF, add background, etc.

Notes & annotations can be added to any PDF document. This includes comments, corrections and signatures. Highlighting, photos, designs, and drawings can also be added. Comments, corrections and signatures. Highlighting, photos, and drawings. You can share them with colleagues, send them to clients, partners, or back to the authors. All markup can be removed or hidden in a single click. Combine documents, copy, re-order or remove pages. With PDF Annotator, you can create interactive presentations for meetings and lectures. You can make a brief comment on a lengthy document. Send an email to return a form or agreement you have signed or filled out. Right on your screen, proofread, review, and correct a document. You can draw and make notes right on the pages. You can grade student papers from your PC, laptop, or Tablet PC.

You can review documents faster. You can quickly find facts. Discover connections that others overlook. LiquidText allows you to go beyond the limits of paper. LiquidText is a document analysis tool that allows you to take notes and highlight text. It's not much different from the sticky notes, margin notes, and highlighting we have used for years. While most apps can replicate paper, more than 80% of knowledge workers still prefer to use paper at school and work. LiquidText goes beyond paper. LiquidText captures your reading, notes and highlights just like paper. But it goes further to show their connections to other sources and to map your project in a clear, shareable format. We turn your ideas into ideas and connect them to related notes. Every observation, note, and idea can be connected with others. A single tap can show these relationships and original context.

PDF Enhancer can automate your work, saving you time and money. You can control almost every aspect of the final PDF, from annotations to Unicode font table tables, with over 500 commands. All this is possible with PDF Enhancer's batch processing environment that uses queue-based batch processing. You can also control the process programmatically using PDF Enhancer's Java interface. This interface is available on all supported platforms as well as as a scriptable command line interface for Windows. Don't believe us? Download the free trial to see for yourself. It is fully functional for 10 days, with extensions up to 30 days available if needed. PDF Enhancer is a high volume software utility that optimizes PDFs to a specific purpose. PDF Enhancer automates most common document assembly, preparation and maintenance tasks.