Javascript PDF Generator SDK

Generate PDF from HTML, DOCX, and Excel

Easily create professional PDFs with our JavaScript PDF generator. Whether you’re working with HTML templates, DOCX forms, or Excel spreadsheets, our SDK provides the tools to streamline your workflows and integrate seamlessly into your app.

How it works

JS HTML to PDF

Generate PDF from HTML templates with an advanced HTML-to-PDF JavaScript generator. Powered by Nutrient Document Engine, this seamless integration transforms your web and server apps into robust PDF generation tools — perfect for creating dynamic documents and interactive forms from HTML layouts.

Create HTML page

Design your page using standard HTML and CSS to define the layout.

Define properties

Use JSON to specify page sizes, margins, and other settings.

Generate a PDF

Send your data and commands via JSON, and preview the generated PDF output in real time.

Convert DOCX to PDF with JSON data

Transform DOCX templates into dynamic documents by merging data effortlessly.

Prepare the DOCX template

Create a DOCX file with placeholders and loops where you want custom data.

Customize with conditionals

Prepare the template to dynamically insert and format data based on conditions you determine

Populate with JSON

Use a simple API call to inject your JSON data into the template, generating a completed Word or PDF document.

KEY FEATURES

Generate dynamic documents

Unlock the power of automated document generation, whether with HTML or DOCX templates, to streamline your document creation workflows.

Dynamic document generation

Design your layouts using modern CSS and HTML templates, or work with DOCX files. Your chosen format is reflected directly in the resulting PDFs or Word files.

Design your layouts using modern CSS and HTML templates, or work with DOCX files. Your chosen format is reflected directly in the resulting PDFs or Word files.

HTML-to-PDF JavaScript conversion

Automatically populate your HTML forms with dynamic data from JSON, simplifying the process of generating personalized documents.

Automatically populate your HTML forms with dynamic data from JSON, simplifying the process of generating personalized documents.

Word-to-PDF JavaScript integration

Seamlessly convert Word (DOCX) to PDF, with support for dynamic data population via JSON.

Seamlessly convert Word (DOCX) to PDF, with support for dynamic data population via JSON.

JS Excel-to-PDF conversion

Convert Excel spreadsheets into high-quality PDFs directly from your JavaScript app. Maintain tables, formatting, and formulas in the generated file, ensuring data accuracy and professional presentation.

Convert Excel spreadsheets into high-quality PDFs directly from your JavaScript app. Maintain tables, formatting, and formulas in the generated file, ensuring data accuracy and professional presentation.

Modern UI

Effortlessly view your generated documents in the browser without managing file types or cluttered system folders. Access PDFs and Word files instantly.

Effortlessly view your generated documents in the browser without managing file types or cluttered system folders. Access PDFs and Word files instantly.

Headers and Footers

Add dynamic headers and footers to your PDFs, customizing them with page numbers, total pages, or images using our flexible template API.

Add dynamic headers and footers to your PDFs, customizing them with page numbers, total pages, or images using our flexible template API.

Benefits

Bright green grass on rock symbolizes simplicity and efficiency, reflecting how our PDF SDK streamlines document manipulation and software development. Years of research and customer collaboration drive innovative solutions, empowering developers to reduce time spent on tasks and stay ahead of the competition.

Accelerate document generation

Convert HTML and DOCX templates into fully rendered PDFs or Word files with our JavaScript PDF generator. Save time, speed up development, and integrate seamlessly into your app.

Bright green grass on rock symbolizes simplicity and efficiency, reflecting how our PDF SDK streamlines document manipulation and software development. Years of research and customer collaboration drive innovative solutions, empowering developers to reduce time spent on tasks and stay ahead of the competition.

Automate data population

Populate forms and templates with dynamic data — no manual entry needed. Inject custom data into HTML forms or DOCX templates via JSON for effortless document generation.

Bright green grass on rock symbolizes simplicity and efficiency, reflecting how our PDF SDK streamlines document manipulation and software development. Years of research and customer collaboration drive innovative solutions, empowering developers to reduce time spent on tasks and stay ahead of the competition.

Streamline user experience

Let users generate and view documents instantly in the browser. With customizable headers and footers and real-time access to PDFs and Word files, users can create seamless, modern workflows.

Frequently asked questions

How can I generate a PDF from an HTML template using Nutrient’s JavaScript PDF generator?

You can design your page using standard HTML and CSS to define the layout, specify page sizes and other settings with JSON, and then send your data and commands via JSON to generate the PDF.

Is it possible to convert DOCX templates to PDFs with dynamic data?

Yes. You can transform DOCX templates into dynamic documents by merging data. Prepare the DOCX template with placeholders and loops, customize with conditionals, and populate with JSON data to generate a completed Word or PDF document.

Does Nutrient’s JavaScript PDF generator support client-side PDF creation?

Yes. Nutrient Web SDK enables the creation of PDFs directly within the browser, allowing users to generate PDFs without server dependencies.

What frameworks are compatible with Nutrient’s JavaScript PDF generator?

Nutrient Web SDK is compatible with any JavaScript framework, including React, Angular, Vue.js, Svelte, Blazor, Next.js, TypeScript, and Nuxt.js.

Can I assemble multiple documents into a single PDF?

Absolutely! You can merge multiple PDFs and insert pages to assemble documents as needed.

Knowledge center

Enhancing document workflows with a JavaScript PDF generator

Integrating a JavaScript PDF generator into your application can significantly improve the efficiency and flexibility of creating and managing PDF documents. Whether you’re generating invoices, reports, or interactive forms, these tools streamline the process and enhance user experience. This section will explore the essentials of JavaScript PDF generators to guide you through this integration.

What is a JavaScript PDF generator?

A JavaScript PDF generator is a software library or tool that enables developers to create, modify, and manipulate PDF documents directly within web applications. These tools are particularly valuable for generating dynamic content like reports, tickets, or forms in real time, either on the client or server side.

How to choose the right JavaScript PDF generator

Selecting the appropriate JavaScript PDF generator involves evaluating several key factors:

  • Generation capabilities — Ensure the library supports creating PDFs from scratch, modifying existing PDFs, and adding elements like text, images, tables, and annotations.
  • Ease of use — Look for a tool with an intuitive API and comprehensive documentation to simplify the development process.
  • Performance — Choose a library optimized for lightweight performance, especially for client-side applications.

What are the best solutions to solve my PDF generation needs?

There are several popular solutions available for integrating JavaScript PDF generation into your application:

  • Basic libraries — Tools like jsPDF are lightweight and ideal for simple client-side tasks such as generating PDFs from HTML content.
  • Advanced libraries — Options like PDFKit or PDF-lib provide robust features for creating complex documents with precise control over layout and content.
  • Commercial SDKs — Libraries like Nutrient SDK offer enterprise-grade features such as digital signatures, annotations, and cross-platform support but may involve licensing costs.

What are the benefits of using Nutrient’s JavaScript PDF generator tool?

Choosing our JavaScript PDF generator offers several advantages:

  • Real-time generation — Create PDFs dynamically in response to user actions without relying on server-side processing.
  • Offline support — Client-side libraries allow users to generate and save PDFs locally without requiring an internet connection.
  • Reduced server load — By handling PDF creation in the browser, you minimize server resource usage and improve scalability.
  • Customizability — Many libraries support advanced customization options for layouts, fonts, and interactive elements.

How does Nutrient’s PDF generation tool compare to other solutions?

Nutrient’s JavaScript PDF generator stands out as the superior solution for modern, dynamic document workflows. Unlike declarative tools like pdfmake, which require significant initial setup, or enterprise-level SDKs like Apryse, which come with high costs, Nutrient provides a balanced approach: robust features, seamless integration, and cost-effectiveness.

Nutrient’s PDF generator SDK offers unparalleled versatility by supporting HTML-to-PDF, Word-to-PDF, and Excel-to-PDF conversions. It enables developers to dynamically generate documents from templates, populate forms with JSON data, and customize headers and footers effortlessly. Powered by Nutrient Document Engine, this solution transforms web and server apps into powerful PDF generation platforms without sacrificing performance or usability.

By choosing Nutrient, you gain access to a modern UI, real-time document generation in the browser, and streamlined workflows that save time and reduce manual effort. Its comprehensive feature set ensures your application meets current requirements while supporting future growth — making it the ideal choice for professional-grade PDF generation.