Feature-Rich JavaScript PDF API Library for Total Document Control

Name: MESCIUS inc.
Brand: MESCIUS
SKU: 6
Rating: 5 (4 reviews)

Document Solutions for PDF JS allows you to easily manage PDF documents within JavaScript applications with no dependencies on Adobe Acrobat.

Generate, load, edit, save and convert PDF documents in TypeScript/JavaScript
Support multiple languages with full text, paragraph formatting, and fonts
Includes a JavaScript PDF viewer to view and optionally edit PDF documents with two options - Client-based PDF editing with Wasm and Server-based editing
All features are fully supported on Windows, macOS, and Linux

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JavaScript PDF API Library Overview

Document Solutions for PDF JS allows developers to load, create, modify, save, and convert PDFs, create AcroForms (PDF Forms), and deploy PDFs across web applications.

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Ultimate JavaScript PDF API Library Solution

Comprehensive Feature Rich API for Adobe PDFs

Generate PDF forms with everything from signatures to security features. Or create PDF files with everything from text, images, audio and video. You can add, delete, copy and move pages, change page sizes, orientation, generate linearized PDFs, add annotations, redact content from PDF documents, and compress PDF files.

WebAssembly-Powered Document Processing for JavaScript

Run document processing at scale with a WebAssembly-powered engine built for modern JavaScript environments. Designed for high performance and low memory usage, it enables fast, reliable handling of PDFs and images across browsers and server-side applications.

Complete Browser-Based PDF Solution for Enterprise Developers

Complete Browser-Based PDF Developer Solution

A Document Solutions for PDF JS purchase includes a Standard viewer license for the JavaScript PDF Viewer (DsPdfViewer), offering robust client and server-side PDF processing. Devs can programmatically create and modify PDFs within the browser, while DsPdfViewer delivers a customizable PDF viewing experience on the client side. The optional Professional viewer license adds advanced features like document editing, form-filling, and collaborative tools, available through server-based or client-only (Wasm) editing options.

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JavaScript PDF API Features

Create PDFs from Scratch

Generate PDF documents in JavaScript with just a few lines of code. Add text, graphics, and layout elements exactly where you need them and save the file directly in the browser or server environment.

Generate Multi-Page PDFs

Automatically split and paginate long text content across multiple PDF pages while maintaining clean formatting and readability.

Pages Documentation

Advanced Text Rendering

Gain full control over text formatting with advanced rendering features, including alignment, wrapping, trimming, spacing, and multilingual support.

Text Formatting

Apply precise text styling with flexible formatting options, including custom fonts, sizes, styles, and colors to create polished, professional PDF documents in JavaScript.

Add Headers, Footers, & Page Numbers

Add dynamic headers, footers, and page numbers to your PDFs with customizable alignment, formatting, and layout options for a professional finish.

Programmatically Embed Video and Audio File in PDFs

Embed Audio & Videos

Enhance your PDFs by embedding audio and video files directly within your documents, creating rich, interactive experiences in JavaScript applications.

Insert and Adjust PDF Images using JavaScript

Insert & Adjust Images

Programmatically insert, resize, and position images in your PDFs with full control over scaling, rotation, and layout.

Insert & Adjust 3D Models

Add and configure interactive 3D models in PDF documents with control over presentation, rendering, lighting, animation, views, and camera behavior.

Programmatically Draw and Transform PDF Shapes using JS

Draw Graphics & Shapes

Draw custom shapes, lines, and graphics in your PDFs with flexible styling and layout control to create dynamic visual elements.

Unicode Fonts for International Languages

Use this JavaScript PDF API library to generate PDFs in virtually any language with full Unicode font support, including complex scripts and special characters.

Right-to-Left Text Support in JavaScript PDF API Library

Right-to-Left and Vertical Text Support

Create PDFs in JavaScript with proper right-to-left text rendering for languages like Arabic and Hebrew, or vertical text rendering for East Asian languages, preserving correct alignment and reading order.

Import Custom Font Files for Programmatically JS Generated PDFs

Load a Font from a Font File

With this JavaScript PDF library, import custom font files directly into your documents for precise typography control and consistent branding.

Embed Fonts in PDF Files Generated using JavaScript

Add Embedded Fonts

Embed fonts using this JavaScript PDF API to ensure your documents maintain consistent formatting and appearance across all devices and platforms.

Font Embedding Documentation

Add Embedded Fonts

Ensure your PDFs maintain their intended appearance across all devices by embedding fonts. Easily convert PDFs without embedded fonts into PDFs with embedded fonts.

Programmatically Convert PDFs to Image Files in JS

PDF to Image (JPEG and PNG)

Use this JavaScript PDF API library to convert PDF pages into high-resolution images such as JPEG and PNG for seamless integration into web and application workflows.

Export Documentation

Covert PDF to and SVG File using a browser-side PDF API

PDF to SVG

Convert PDF pages to scalable vector graphics (SVG) using this JavaScript PDF library, preserving clarity and vector quality for web and design use cases.

Export Pages Documentation

Create Interactive PDF Form Fields using JS API

Create Interactive Form Fields – AcroForms

Build interactive, fillable PDF forms in JavaScript with support for text fields, checkboxes, radio buttons, and more using this powerful PDF API library.

Programmatically Import and Extract PDF Form Data using .NET C#

Import & Extract PDF Form Data

Programmatically import and extract PDF form data using this JavaScript PDF library to automate data collection and streamline processing workflows.

Customize the Generated PDF Form Appearance & Field Properties

Customize Form Appearance & Field Properties

Customize AcroForm field appearance, placement, and behavior by managing form fields, calculation order, and widget annotation properties for more interactive PDF forms.

Modify AcroForm Fields Documentation

Add Action Sound

Enhance interactive PDF forms in JavaScript by adding sound-triggered actions to buttons and events for a more dynamic user experience.

Fill & Flatten PDF Forms

Use this JavaScript PDF API to automatically populate form fields and flatten them into a final, non-editable PDF for secure distribution.

FormX Objects

Work with reusable Form XObjects to manage self-contained PDF graphics and content that can be referenced multiple times throughout a document.

Form XObjects Documentation

Extract PDF Text

Use this JavaScript PDF API library to extract and locate text in PDF documents by searching across pages with support for case-sensitive and whole-word matching, making it easier to identify and process specific content in JavaScript.

Extract Metadata & Document Properties

Retrieve PDF metadata such as author, title, and creation date with this JavaScript PDF API to support document management and compliance workflows.

Extracting PDF Fonts using a JS PDF API Enterprise Library

Extract Fonts

Inspect and extract fonts embedded within PDF documents for font analysis, auditing, reuse, and advanced document-processing workflows.

Merge Multiple PDFs into One

Use this JavaScript PDF API library to combine multiple PDF files into a single, unified document for streamlined document management.

Split large PDF document using a JavaScript PDF API

Split a PDF

Split large PDF documents into smaller files with this JavaScript PDF API, extracting specific pages or sections as standalone PDFs.

Split PDFs Documentation

Add Attachments

Attach supplemental files to your PDFs using this JavaScript library, embedding supporting documents, images, or other resources directly within the file.

Create and manage PDF outlines programmatically

Outlines & Bookmarks

Create and manage PDF outlines and bookmarks in JavaScript to improve navigation and help users quickly jump to key sections.

Set & Modify PDF Metadata

Set and update PDF metadata such as author, title, and keywords with this JavaScript PDF library to improve indexing and document organization.

Programmatically Access a PDF Structure using a JS PDF API Library

Structure Trees

Access and modify PDF structure trees to work with the logical hierarchy and semantic organization of tagged document content.

Programmatically search, replace, or remove text within PDF documents

Text Search, Replace, & Delete

Use this JavaScript PDF API library to quickly search, replace, or remove text within PDF documents, simplifying bulk edits and content updates.

Apply secure redactions with a JavaScript PDF library

Redact PDF Content

Apply secure redactions with this JavaScript PDF library to permanently remove or obscure sensitive information for privacy and compliance.

Add comments and annotations to PDFs using this JavaScript API

Add Annotations

Add comments, highlights, notes, and other annotations to PDFs using this JavaScript API to support collaboration and document review workflows.

Add Images

Programmatically insert images into PDF documents using this JavaScript PDF API to enhance pages with logos, graphics, or photos.

Add Watermark Annotations to PDFs Programmatically in Browser Based Apps

Watermarking

Insert custom text or image watermarks into your PDFs with this JavaScript library for branding, security, or confidentiality marking.

Watermark Documentation

Incremental Update

Use this JavaScript PDF API library to apply incremental updates to existing PDFs, modifying only what’s changed instead of rewriting the entire document for faster, more efficient saves.

Incremental Update Documentation

Password Protected PDFs

Secure documents by adding password protection to restrict unauthorized access.

PDF Security Documentation

Encrypt or decrypt PDF files with this JavaScript PDF library

Encrypt & Decrypt PDFs

Encrypt or decrypt PDF files to safeguard sensitive content while maintaining flexible access control.

Encrypt PDF Documentation

Define PDF user permissions using a JavaScript API

Set Access Permissions

Define detailed user permissions in your PDFs using this JavaScript API, controlling who can view, print, copy, or modify document content.

Open Encrypted PDFs Without Passwords

Use this JavaScript PDF library to modify certain encrypted PDFs without a password when permissions allow non-string-based object updates.

Open Encrypted PDF Without Password Documentation

JavaScript PDF Viewer and Optional Editior

Standard PDF Viewer

View and interact with PDFs in the browser using the included JavaScript PDF viewer, featuring smooth navigation, zooming, and text search capabilities.

Print PDF documents directly from JavaScript applications

Print PDFs

Let users print the current PDF (with or without annotations and form entries) directly from the viewer via a Print toolbar button or programmatically.

Digital Signatures

Digitally sign and verify PDF documents in JavaScript with support for certificates, private keys, timestamps, visible signatures, and external signing workflows.

Append new revisions and signatures to PDF documents using a JS PDF API

Incremental Update

Append new revisions and signatures to PDF documents without rewriting previous content, helping preserve existing signatures during multi-step workflows.

Long-Term Validation Signatures

Create signatures designed for long-term verification with support for PAdES profiles, timestamps, certificates, revocation data, and Document Security Store information.

JS PDF API Library Quick Start Guide

Quick Start Guide

1. Download the Latest Release of Document Solutions PDF JS.

Download Full Trial
or Install from npm: npm i @mescius/ds-pdf

2. Configure WebAssembly.

import { DsPdfConfig } from "@mescius/ds-pdf";
import wasmUrl from "@mescius/ds-pdf/assets/DsPdf.wasm?url";

DsPdfConfig.wasmUrl = wasmUrl;

3. Generate a PDF

import { connectDsPdf, ObjectManager, PdfDocument } from "@mescius/ds-pdf";

await connectDsPdf();
const om = new ObjectManager();
const doc = new PdfDocument(om);
const page = doc.newPageContext();
page.drawText({ text: "Hello from DsPdfJS!", fontSize: 20 }, 50, 50);

const blob = new Blob([doc.savePdf()], { type: "application/pdf" });
const url = URL.createObjectURL(blob);

const link = document.createElement("a");
link.href = url;
link.download = "example.pdf";
link.click();

om.dispose();

Learn more with our complete Quick Start guides.

Easy Licensing & Distribution

Access your Document Solutions Distribution Key(s) through your MESCIUS account after purchase.

Licensing FAQs

Document Solutions for PDF JS offers flexible tiered licensing options for single-hostname, multi-hostnames or unlimited domains, and individual and team licenses.

Learn More About Licensing

Request a Trial Key

Our sales team can provide 30-day trial Distribution Keys for Document Solutions for PDF JS and the JavaScript PDF Viewer, DsPdfViewer, upon request, allowing you to deploy our APIs during your trial period.

Contact Our Sales Team

Have Questions? We're Here to Help

Email us.sales@mescius.com to schedule a call with our product specialists through support to discuss your project needs or request a personalized demo with the Product Manager.

Contact Support

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