Best PDF Annotators for JavaScript

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.

PDFKit is a versatile library designed for generating PDF documents in both Node and browser environments, facilitating the creation of intricate, multi-page, printable materials with ease. Its API promotes chainability and offers a combination of low-level functions alongside higher-level abstractions, making it user-friendly. With PDFKit, producing elaborate documents can often be accomplished through just a handful of function calls. It also encompasses access privileges, which include options for printing, copying, modifying, annotating, form filling, ensuring content accessibility, and document assembly. Accessibility features are well-supported, featuring marked content, a logical structure, Tagged PDF, and compliance with PDF/UA standards. Additionally, PDFKit is compatible with JPEG and PNG images, allowing for the use of indexed PNGs and those with transparency. Alongside PDFKit, it's crucial to have a destination to stream the generated output. For projects utilizing PDFKit through Browserify, it's important to install the brfs module via npm, which is essential for loading built-in font data into the library. This combination of features makes PDFKit a powerful tool for anyone looking to create detailed and professional PDF documents efficiently.