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Our PDF SDK
Our PDF SDK

Bring accurate PDF viewing, annotating, editing, creation, and generation to any web, mobile, desktop or server framework or application. Own the full document and data lifecycle by deploying on your own infrastructure without worrying about third-party server dependencies.

Why PDFTron?

CLIENT-SIDE PROCESSES

Scale easily without any server-side dependencies like Microsoft Office or LibreOffice for rendering, conversion, or editing PDFs, Microsoft Office, images, videos, and HTML

BEST-IN-CLASS RENDERING QUALITY

Built in-house without reliance on any open-source technologies, providing you the most accurate rendering at any zoom level

BULLETPROOF SECURITY

Complete control over document workflow by deploying on your own infrastructure without data ever leaving your platform

EXPERT SUPPORT

Our team of experienced SDK developers help you get up to speed with PDFTron, set up the solution as part of the unlimited trial for as long as you need, and answer any questions

The speed at which they integrate is superior to their competition and their product roadmap has been good -- they’ve invested in the right things.

Marcus O’Brien

Global Head of Product Management, AutoCAD

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Client-side and Server-side

Users can annotate, collaborate, fill forms, and sign PDFs entirely client-side with an open-source UI driven by customer feedback, or perform the same functionality programmatically client-side or server-side.

PDF SDK Features

Viewing and Editing

The best-in-class professional UI is wrapped around our fast and battle-tested rendering engine to bring your users unlimited flexibility and performance for viewing, searching, and editing PDF documents across web, mobile, and desktop platforms.

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Annotation and Collaboration

Empower your users with real-time collaboration support for mark up, comment, measurement, and countless other custom annotations. Add workflows and approval logic with Annotation Workflows.

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Signing

Create custom signing workflows, including placing signature fields, assigning signers and collecting signatures. Certify, validate, and seal digitally signed documents.

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Page Manipulation

Insert, remove, or rearrange pages. Assemble, merge, or split documents directly in the browser. View multiple documents in the same viewer or side-by-side.

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Form Fill, Edit, and Create

Users fill, edit, or create new forms themselves, or prepopulate data from existing data into forms stored on any storage provide, such as AWS, Azure, GCP, and others.

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True Redaction

Search for and permanently remove sensitive information from documents, such as personally identifiable information or protected health information while keeping documents searchable.

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Template Generation

The best-in-class professional UI is wrapped around our fast and battle-tested rendering engine to bring your users unlimited flexibility and performance for viewing, searching, and editing PDF documents across web, mobile, and desktop platforms.

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Measurement Tools

Define a document’s scale and measure distance, area, and perimeter. Use snap-to control points for maximum precision.

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PDF/A Library

Convert PDF or any other of our 100+ supported file formats into ISO-compliant PDF/A documents supporting various levels of compliance. Files pass VeraPDF validation as well as ZUGFeRD electronic invoices.

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A Partner You Can Trust

The PDFTron SDK powers thousands of software applications across startups, governments, and Fortune 100 companies worldwide in virtually every industry. While we support other formats, PDF is the backbone that everyone needs to be able to rely on.

PDFTron demonstrated superior speed and functionality out of the box. In contrast, the competition took a lot of shortcuts, and it was obvious in the user experience.

Alistair Michener

Founder and CEO, Drawboard

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Our much lower support and maintenance costs due to using PDFTron as opposed to alternatives are massive for us. Even more important is the competitive advantage of getting products to market sooner.

Sudeep Venkatesh

Chief Product Officer, Egress

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