List of the Top 9 PDF APIs for JavaScript in 2025

Nutrient offers a comprehensive suite of solutions tailored to meet all your PDF needs, providing tools that effortlessly handle PDF functionalities on any platform. 1. SDK: Integrate sophisticated PDF capabilities into iOS, Android, Windows, the web, or any cross-platform technology, offering features such as PDF viewing, annotation, collaboration, and much more. 2. Libraries: Use our robust .NET and Java libraries to empower your backend systems with capabilities for batch processing of redactions and PDF forms, OCR for scanned text, and editing of PDF documents, all directly from your application server. 3. Processor: Our nimble PDF microservice, Processor, facilitates the quick creation of PDFs from HTML, including HTML forms, alongside conversions from Office to PDF, OCR processing, redaction, and the combination and exporting of XFDF. 4. PDF API: Leverage our hosted PDF API to create, convert, and modify PDF documents within your workflows. We manage the development and server operations, allowing you to focus solely on growing your business. At Nutrient, we see ourselves not merely as a tool but as a dedicated partner in your journey to success. You can easily reach out to our engineers for specialized support, access thorough examples to aid in integration, and utilize our premium documentation to maximize your experience. Additionally, we are committed to continuous improvement and innovation, ensuring our solutions evolve with your needs.

The pdfRest API Toolkit was crafted by developers for developers, enabling swift integration of PDF workflows into business applications with ease and efficiency. This toolkit encompasses a comprehensive suite of PDF processing tools created by digital document specialists who possess decades of expertise to simplify your tasks: it offers conversions such as PDF to Word, PDF to Excel, and PDF to PowerPoint, along with functionalities like adding to PDFs, text extraction, querying PDFs, converting to various formats, and compressing PDFs. Additionally, it provides features for flattening forms, transparencies, annotations, and layers, as well as merging, splitting, encrypting, decrypting, and watermarking PDFs, along with form data management, OCR capabilities, and file uploads and zipping. Users will find extensive documentation featuring intuitive endpoints and parameters, along with sample code in .NET, JavaScript, Python, PHP, and cURL for every endpoint to facilitate smooth operation. Powered by the renowned Adobe® PDF Library™, it allows users to begin without any financial commitment and offers competitive pricing suitable for projects of any scale. The design of pdfRest emphasizes flexibility, allowing APIs to be accessed from any programming language capable of making API requests, making it a versatile choice for developers aiming to simplify their PDF workflow. Start your journey with your first API call today and experience the ease of PDF management firsthand.

Watermarking PDFs, adding content to PDFs, querying PDF documents, converting files into PDFs, turning PDFs into images, adjusting PDF colors, and creating PDF/A and PDF/X formats are just a few of the features available; additionally, you can compress, linearize, and flatten PDFs, as well as merge or split them, encrypt, decrypt, and restrict access to PDFs, extract text, perform OCR on PDFs, upload files, and zip them as needed. Our robust RESTful API is now fully operational, enabling you to efficiently develop your own products and solutions without the need to start from scratch, while providing you with comprehensive control over your backend infrastructure. With our private cloud service, you can oversee every aspect of the process, ensuring full management of your documents. The pdfRest API Toolkit can be quickly configured through the AWS Marketplace, allowing you to set up a self-hosted, production-ready server that integrates seamlessly with your services or automates your internal document workflows. We offer flexible pay-as-you-go pricing plans, catering to businesses that demand complete ownership of their backend systems with minimal or no external server interactions. Moreover, by creating an EC2 instance to host our API, you gain total ownership over all files stored on your server, thereby enhancing your operational security and efficiency. This approach empowers you to tailor your document management solutions exactly to your needs.

Leverage our HTML to PDF API to effortlessly create PDFs from web pages or HTML content. Enable your users to convert web pages into PDFs with a single click! Seamlessly transform entire websites into PDF documents! Join a vast community of pleased customers who have been producing high-quality PDFs since 2008! You can quickly convert any URL or raw HTML into a stunning PDF file. Our REST API works with any programming language and offers a range of features, such as customizable layouts, headers, footers, watermarks, encryption, and more. Simply add a "save as PDF" link or button to your web pages, allowing your visitors to easily download content as a PDF. You have the option to customize various layout settings and tailor headers and footers to your needs. Preserve your entire website as a PDF for copyright purposes or other requirements. Just enter the URL, and we will create a comprehensive PDF file that includes all the pages of the site. While you take a moment to relax with a cup of coffee, we’ll manage the conversion process and send you an email notification once it’s finished, ensuring a hassle-free experience throughout! Additionally, this service empowers businesses to distribute valuable content in a professional format, enhancing engagement and accessibility.

PDFMonkey offers a powerful solution for all your PDF generation needs. Utilizing modern web technologies alongside a user-friendly REST API, crafting beautiful documents is easier than ever before. Don’t waste precious time! Streamline your development process since there's no requirement to write lengthy code for generating PDFs, tackle complex setups, or wade through dependency challenges. We handle all the complexities for you, enabling you to concentrate on what really counts. Experience the simplicity of document creation with PDFMonkey now and transform the way you generate PDFs!

Establishing and overseeing a PDF backend can be quite a tedious and time-consuming endeavor. However, with Paperplane, you can seamlessly incorporate PDF functionalities into your application, allowing you to concentrate on what truly matters. For users managing batch processes, Paperplane facilitates the simultaneous creation of up to 20 PDFs, providing the flexibility to streamline your workflow and increase document production efficiency. Its asynchronous API empowers you to initiate PDF jobs without the need for constant oversight of extended processes. Moreover, webhooks will alert you to any complications that may occur during the PDF generation process. If you're looking for a way to create PDFs from your single-page application, you can be confident that if your website operates smoothly in Chrome, it will also function flawlessly with Paperplane. You even have the option to postpone PDF generation until a specific element is visible on the page, ensuring that all your content is completely loaded before commencing the process. This added flexibility not only enhances user experience but also boosts reliability, establishing Paperplane as an essential resource for developers. Additionally, the user-friendly interface and comprehensive documentation make it easy for developers to get started with Paperplane right away.

The PDF Generator API simplifies the process of creating PDF documents by utilizing predefined templates in conjunction with JSON data. This user-friendly service allows individuals to generate PDFs and manage their document templates through an easy-to-use browser-based drag-and-drop editor, ultimately reducing both development and support costs. Our system enables the creation of unique workspaces for each user, which aids in the effective storage and management of their templates. A new workspace is automatically generated with each API request that includes a different workspace identifier. Additionally, users are empowered to write mathematical and logical expressions for customizing the values displayed in various elements. The API accommodates a broad spectrum of operators, such as ternary, arithmetic, bitwise, and comparison operators, alongside functions for summing, concatenating, and iterating over arrays. Users can also leverage components like Text, Table, and Barcode for precise formatting of numerical and date information. Moreover, it provides capabilities for grouping, filtering, and sorting lists and tables without requiring any modifications to the dataset in the software application, which significantly boosts efficiency and enhances the user experience. This comprehensive API guarantees a fluid and dynamic document management process for every participant involved, making it an invaluable tool for diverse applications.

PDFKit is a highly adaptable library that enables the generation of PDF documents seamlessly in both Node and browser environments, allowing for the effortless creation of complex, multi-page, printable documents. Its user-friendly API supports chainable functions and offers both low-level capabilities and higher-level abstractions, streamlining the document creation process. With just a few function calls, users can craft sophisticated documents quickly and efficiently. The library also incorporates a range of access permissions, granting options for printing, copying, modifying, annotating, filling forms, ensuring content accessibility, and assembling documents. Accessibility is a priority, as the tool supports features such as marked content, a coherent structure, Tagged PDF, and compliance with PDF/UA standards. Furthermore, PDFKit is designed to work seamlessly with JPEG and PNG images, including support for indexed PNGs and those with transparency. In addition to utilizing PDFKit, it is essential to have a destination for streaming the generated output. For projects that employ PDFKit via Browserify, installing the brfs module through npm is a necessary step for loading built-in font data into the library. The robust combination of these features positions PDFKit as an invaluable resource for anyone seeking to produce detailed and professional-quality PDF documents with remarkable efficiency, making it a top choice for developers and designers alike.

Generating content can indeed be a daunting task! To make things easier, we have created a tool that enables you to generate social media images, banners, or PDFs with ease by using reusable templates, all without the need for coding skills. You can send multiple requests at once or one after another, and with the asynchronous feature, you'll get alerts via a webhook when your content is finished. Additionally, you can modify and see your content instantly, thanks to a side-by-side preview panel that is specifically tailored for PDF creation. Our templates are designed for a variety of platforms, including Facebook, Instagram, Pinterest, and many others. APITemplateio allows you to create social media visuals, like Instagram posts, from adjustable reusable templates using a REST API or no-code approaches. Every entrepreneur knows the importance of time, and the truth is that crafting and scheduling social media posts can turn into a monotonous chore, particularly when trying to maintain consistency across various platforms manually. By leveraging our tool, you can enhance your content creation workflow, freeing you up to concentrate more on connecting with your audience and less on the complexities of design. This efficient approach not only saves time but also boosts your productivity, enabling you to focus on what truly matters in your business.