Accusoft PDF Viewer

Add powerful PDF viewing and annotation features to your web application with no servers or plugins

Laptop

Expand Your Software’s PDF Potential

Accusoft PDF Viewer is a JavaScript SDK that easily integrates into your web application to enable PDF viewing and annotation features with no server dependencies. With a responsive UI, lightning-fast search, and high-quality rendering, this lightweight viewer makes it easy to deliver dynamic PDF experiences across all devices. 

How simple is it? Add PDF viewing capabilities to your web application with just 10 lines of code:

<script src="https://cdn.jsdelivr.net/npm/@accusoft/pdf-viewer@latest/bundle.js"></script>
<div id="viewer"></div>
<script>
  (async () => {
    const pdfViewer = await window.Accusoft.PdfViewerControl.create({
      sourceDocument: 'https://MyURL.com/MyPDF.pdf',
      container: document.getElementById('viewer')
    });
  })();
</script>

Accusoft PDF Viewer Benefits

100% Client-Side Deployment

Our JavaScript-based PDF SDK runs entirely within the browser to improve your application’s performance and reliability.

No External Dependencies

PDF viewing takes place within your secure web application. No third-party plugins or external software installation needed.

Fast, Easy Installation

Add just a few lines of code to your existing web application to start viewing PDFs right away and get to market faster.

Mobile Ready

Easily view and interact with documents on any screen size thanks to controls optimized for out-of-the-box mobile support.

Support You Can Count On!
Support You Can Count On

Receive world-class support and get immediate access to the latest features and updates as they are released.

Better Viewing Support
Proven PDF.js Foundation

We built our innovative features upon the popular foundation of PDF.js to ensure reliable document rendering.

Key Features

Provide an optimal PDF viewing experience for your users

Responsive UI

View and interact with PDFs on any device.

Annotation

Choose from a variety of markup options.

Customization

White label and add/remove toolbar elements.

Fast Search

Get near-instant results with full-text search.

eSignature

Electronically sign PDFs with freehand drawing.

High-Quality Rendering

Ensure images stay sharp at all zoom levels.

Stay In the Know

We’ve got big plans in store for Accusoft PDF Viewer! Our development team is working hard to add new features and functionality. Sign up now to receive notifications about new capabilities as soon they become available.

Employee Thumbnail
Charlie Davis Senior Software Engineer

Charlie Davis has been with Accusoft since 2015. He is currently the lead engineer on the Accusoft PDF Viewer project. During his time at Accusoft, he has worked on a myriad of different products and teams including the support team, PrizmDoc Viewer, OnTask, and more. He has also given a variety of talks on Node.js at local Node.js meetups and published multiple blog posts on Node.js development. A graduate of University of Miami, Charlie earned a Computer Science B.S and an English Literature B.A. When he's not coding, he enjoys playing and recording music with his band Wallysburg.

Try Accusoft PDF Viewer

Responsive UI

The optimized viewer UI adapts seamlessly from desktop displays to smaller mobile screens.

  • Out-of-the-box mobile interface
  • Pinch to zoom support
  • Full screen view on all devices
*Standard and Professional

Annotation

We currently provide a variety of annotation tools (with more on the way):

  • Freehand
  • Text Highlighting
  • Rectangles/Squares
  • Ovals/Circles
  • Lines/Lines with Arrows
*Professional only
Accusoft PDF Viewer Annotation

Customization

Deliver our functionality under your brand with a white labeling option that creates a seamless application experience. Customize the UI to your liking with toolbar elements that can be added or removed.

*Professional only
Accusoft PDF Viewer Customization

Lightning-Fast Search

Find what you need at the speed of light! Accusoft PDF Viewer’s full-text asynchronous search functionality delivers near-instant results while maintaining blazing fast viewer performance, even when viewing lengthy PDF files.

*Standard and Professional

eSignature

Allow users to quickly sign documents on computers, tablets, and smartphones. Using the new freehand annotation tool, they can easily draw an electronic signature using a mouse, stylus, or finger.

*Professional only
Accusoft PDF Viewer e-Signature

High-Quality Rendering

Dynamic PDF rendering delivers a superior viewing experience.

  • Maintains image clarity when zooming
  • Renders sharp text on high DPI screens
  • Responsive viewer adapts to screen size
*Standard and Professional

Stay In the Know

We’ve got big plans in store for Accusoft PDF Viewer! Our development team is working hard to add new features and functionality. Sign up now to receive notifications about new capabilities as soon they become available.

PDF Solutions to Fit Your Needs

Accusoft PDF Viewer comes in two versions for your PDF viewing, markup, and customization needs. Whether you’re after a simple and free viewing option or more robust and customizable functionality, Accusoft has a solution. Explore the capabilities you can add to your application in the table below.

Accusoft PDF Viewer Solutions

Stay In the Know

We’ve got big plans in store for Accusoft PDF Viewer! Our development team is working hard to add new features and functionality. Sign up now to receive notifications about new capabilities as soon they become available.

Start a Trial

Choose your use case:

Accusoft PDF Viewer Standard

“I need the ability to view, navigate, and search PDFs across a variety of devices at no cost.”

Solution: Get started right away with our free Standard version. Just insert a few snippets of code to add mobile-friendly viewing to your web app.

Accusoft PDF Viewer Professional

“I need the ability to view, annotate, and sign PDFs on all devices and also customize the UI.”

Solution: Request a trial key for the Professional version. Note you can get started now with the free viewer and plug in your key once received.

Stay In the Know

We’ve got big plans in store for Accusoft PDF Viewer! Our development team is working hard to add new features and functionality. Sign up now to receive notifications about new capabilities as soon they become available.

Get Started

Accusoft PDF Viewer is now available in two versions: a free-to-use Standard version and a paid Professional version. To compare feature sets, click here

Get started with our Standard version right away, and request a trial key that can be plugged in once received to evaluate the full-featured offering.

Supported Operating Systems

  • Windows: last two versions of chromium based browsers such as Microsoft Edge and Google Chrome
  • Mac: last two versions of Safari
  • iOS/iPadOS: native Safari browser (latest)
  • Android: native Chrome browser (latest)

We support the latest versions of chromium based browsers on desktops. For mobile, we support the latest Chrome browser on Android and latest version of Safari on iOS / iPadOS.

Since modern browsers auto update we test our product against the latest stable build for each platform. If you’re a few versions behind, in general, you should have no issues using the product.


Feedback

Please report suggestions and feature requests at: https://ideas.accusoft.com/

Support

Accusoft prides itself on providing first class support for our customers. For Accusoft PDF Viewer Standard (free), basic support is available for a charge. For Accusoft PDF Viewer Professional, support is included with the annual license and additional levels of support are available as an upgrade. Please contact us for more information on our support packages.

Accusoft PDF Viewer Documentation

Additional Resources

Stay In the Know

We’ve got big plans in store for Accusoft PDF Viewer! Our development team is working hard to add new features and functionality. Sign up now to receive notifications about new capabilities as soon they become available.