Best Web-Based PDF APIs of 2026 - Page 2

Gendoc automatically generates beautiful PDF documents from templates such as proposals, invoices, whitepapers, presentations, , and marketing (whitepapers. presentations, ) Our powerful HTML to PDF conversion API allows you to integrate PDF generation directly into your product, CRM, or IT stack. This will allow you to create beautiful PDF documents that your customers will love. Make templates

Our APIs make it easy to automate document processing in your software. All APIs accept input documents (photo or PDF) and return a structured reply with all the information that you require. Instant processing ensures the best UX. High-quality results regardless of image quality. Get structured data, no post processing required. To make it easy for developers to create robust APIs that are ready to use, we apply state-of-the-art deep learning research to the field. Our algorithms find the relevant information in the image before reading it, unlike traditional OCR. This new paradigm breaks down the traditional OCR performance barriers in terms speed, accuracy, and robustness. No training, templates or setup required. Software developers can access our APIs through plug-and-play. An API-first platform, designed for developers. Developers get a free plan, with no credit card. Synchronous cloud-based APIs

Our libraries are high-performance and add robust PDF functionality to enterprise, mobile and cloud applications across all platforms. They use the most popular languages and environments. A modern tech stack is essential for integrating with the platform you are working on. Our products are constantly improved and receive new features each month. As your project evolves and your requirements change, we will grow with you. You won’t require high level PDF knowledge as our core API is designed to deliver a seamless developer experience across all 7 of our platforms: Web, Windows, Android, iOS, Mac, UWP and Linux. The developers at Foxit are known for successfully managing edge cases and work with 100% of PDF files across every standard. When you only have to work with one SDK, you decrease your exposure to third parties. Foxit will provide support by real developers, as well as, sample projects, demos, API docs and more for every SDK feature.

Numerous widely-used free libraries for converting HTML to PDF exist, such as wkhtmltopdf, PhantomJS, and Chrome Headless / Puppeteer. These applications utilize the Webkit or Chromium rendering engines, which are optimized for rendering continuously scrolling web pages. Conversely, DocRaptor is specifically designed for the creation of multi-page documents, which results in significant differences in PDF features, including page breaks, headers and footers, as well as variable page sizes. This core distinction affects how documents are structured and presented. Our conversion engine offers a range of layout and styling capabilities, including support for CSS Paged Media, that surpass what open-source PDF engines can deliver. Moreover, as a cloud-based API, we ensure professional support, immediate scalability, and dependable reliability, all while alleviating users from the expenses associated with maintaining these libraries and their underlying infrastructure over time. This combination of features makes our solution a compelling choice for those needing robust PDF generation.

The Aquaforest SDK is a robust set of tools designed for comprehensive PDF processing, offering features such as content extraction, the creation of searchable PDFs, and OCR capabilities powered by both its native engine and extended options from Canon IRIS, along with handwriting recognition via Google and Microsoft APIs. With an advanced PDF and barcode toolkit, it boasts high performance levels, capable of utilizing up to 64 cores for efficient processing. This SDK can effectively analyze PDF documents to automatically extract name/value pairs, facilitating a range of PDF manipulations including merging, attachment processing, content extraction, XMP metadata handling, and PDF/A validation, among others. The standard OCR engine included supports 23 languages and is available in all versions of the SDK, ensuring versatility for various applications. Furthermore, it provides seamless access to Google and Microsoft’s cloud OCR services, which is particularly advantageous for specific tasks such as recognizing handwritten text. Additionally, the SDK has the ability to read and interpret most common barcode formats, enhancing its utility in diverse document processing scenarios.

Generate a PDF from Microsoft Office files, safeguard the information, and seamlessly convert it into various formats. You can programmatically manipulate documents by reordering, inserting, and rotating pages, along with compressing the file sizes. Utilize the same cloud-based APIs that power Adobe's user-focused applications to efficiently provide scalable and secure solutions. Extracting text, images, tables, and other content from both native and scanned PDFs can be done, resulting in a well-structured JSON file. The PDF Extract API utilizes advanced AI technology to precisely recognize text elements and comprehend the natural flow of reading different components, such as headings, lists, and paragraphs that may extend across multiple columns or pages. Additionally, you can capture font styles and metadata, identifying characteristics like bold and italic text along with their respective positions in the PDF. The resulting information is formatted in a structured JSON file, with tables available in CSV or XLSX formats and images stored as PNG files. This comprehensive approach ensures that users can efficiently manage and manipulate their PDF documents while preserving essential data integrity.

DynamicDocs API, a JSON-to-PDF API that is based on LaTeX provides a way to create PDF documents in bulk and include tables, graphs, logic, and charts in the templates. DynamicDocs API allows users to create their own templates or to use existing JSON-to-PDF templates, which do not require any knowledge of LaTeX. The API produces high-quality PDFs that are dynamic and web-optimized.

A swift, dependable, and user-friendly API for converting HTML to PDF. PDFShift serves as an effective tool for transforming HTML and CSS files into high-quality PDF documents, enabling developers to automate their document conversion processes seamlessly and without the burden of maintenance expenses. This API ensures that you always have access to the latest features and improvements, enhancing your workflow efficiency.

A free REST API that allows you to create, edit and manage PDFs using programmatic methods. Features include rotating and deleting of pages, password protection, compression of files, and background execution. It's a great tool for developers who need to handle PDFs seamlessly. There are no fees, and only an API token is required.

PDFBolt, a powerful HTML-to-PDF API, allows businesses and developers to create high-quality PDFs with ease. Our developer-friendly API produces pixel-perfect, GDPR-compliant PDFs in just seconds. Key Features Instant HTML and URL conversion to PDF. Customizable layout for PDF - headers and footers, margins and page formatting. Secure processing that is GDPR compliant. Requests for synchronized and async APIs. Webhooks, direct S3 uploads. Dashboard Admin - Track usage, manage API Keys, and monitor detailed logs. Comprehensive documentation and responsive support. Free Forever Plan: 500 PDFs/month. PDFBolt: No mess, no setup, just PDFs!

The PDF Maker is an automation platform for businesses looking to streamline their document creation process. By utilizing customizable templates, businesses can automate the generation of PDF documents such as invoices, contracts, and financial reports. The platform integrates with existing data sources, making document generation faster and reducing human error. Whether you're a small business or a larger enterprise, The PDF Maker simplifies the process of creating, managing, and sharing PDF files in a cost-effective and efficient way.

DynamicPDF API (dpdf.io) serves as a versatile REST API platform that enables developers to seamlessly incorporate advanced PDF capabilities into their applications, ensuring swift performance and accessibility worldwide. The API provides numerous REST endpoints for tasks like generating PDFs from images, HTML, Word, Excel, or template data, as well as merging documents, converting formats, filling out and flattening forms, adding barcodes and stamps, securing files with encryption, and extracting text, metadata, or XMP data. Additionally, DynamicPDF features an online Designer tool that allows users to visually create PDF reports and templates, along with various client libraries in programming languages such as Node.js, .NET, Java, PHP, Go, Python, and Ruby, facilitating integration without the need for raw HTTP calls. The service is designed to create and assemble PDFs in mere milliseconds, utilizing a scalable infrastructure that directs requests to the nearest global zone, while maintaining data privacy by not storing client information unless explicitly requested. This combination of powerful features makes DynamicPDF an essential tool for developers looking to enhance their applications with PDF functionalities.

An API platform designed for intelligent extraction of data from PDFs facilitates automated parsing of documents. Users can create reusable low-code templates for data extraction, supporting multiple languages for OCR as well as tables and fields. The platform features a built-in invoice parser along with capabilities to split, merge, reorder, and delete pages in PDF files. Advanced splitting tools are available, allowing for the filling out of PDF forms and the addition of text, images, and signatures to existing documents. It also includes auto-filling for interactive fields and the ability to generate PDFs from HTML templates while allowing for conditions, variables, and custom logic. Users enjoy high-quality PDF output with full control over quality, ensuring secure and scalable operations. The PDF extractor engine converts documents into formats such as raw JSON, CSV, XML, XLS, and XLSX while preserving layout and efficiently extracting tables. Additionally, the platform offers OCR capabilities to repair malformed text and extract various barcode types, including QR Codes, Code 128, Code 39, DataMatrix, and PDF417 from PDFs, scans, and images, all supported by a high-performance barcode reading engine. With such robust features, this platform stands out as a comprehensive solution for all PDF-related data extraction needs.

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.

Enhance your projects by incorporating powerful PDF editing, parsing, and rendering capabilities using a sophisticated PDF library SDK. This versatile multi-platform shared library (available as dll, so, and dylib) features a C-compatible interface that supports various programming languages, including C#.Net, Python, Java 8, and C++ 11. With APIs designed for Linux, Windows, and Mac, this SDK includes numerous interface functions that allow for the transformation and creation of new PDF content, offering extensive options and flexibility tailored to the unique requirements of your project. It efficiently leverages multi-core CPUs for stream decoding and content rendering, adhering closely to the guidelines of the portable document format specification. Users can also apply electronic signatures, with the choice of including or excluding a cryptographic security layer. Additionally, the SDK provides robust PDF encryption and decryption capabilities, featuring a password-based encryption handler, along with comprehensive document structure manipulation tools for creating, deleting, moving, inserting, extracting, resizing, and rotating pages. This ensures that all aspects of PDF management are covered effectively, making it an invaluable resource for developers.

With a minimal amount of code, LEADTOOLS libraries offer developers a robust PDF API that facilitates dependable and multi-threaded PDF operations, eliminating the necessity for external dependencies such as Acrobat. The extensive PDF controls enable users to read, write, convert, and display PDF files, integrating seamlessly with cutting-edge OCR, ICR, OMR, forms recognition, virtual printing, and scanning APIs to craft comprehensive solutions that leverage the PDF format effectively. Users can effortlessly load and view any PDF document through the document viewer API framework. Rigorously tested against countless PDF files, the LEADTOOLS PDF SDK libraries ensure exceptional viewing precision and performance that surpasses many leading PDF reading tools on the market. By addressing common discrepancies and issues associated with different PDF file versions, LEADTOOLS allows developers to work with confidence, reducing their testing time significantly and enabling the swift creation of top-tier PDF applications. Furthermore, this efficiency not only streamlines the development process but also enhances overall user satisfaction with the final products.

This document and image cleanup and processing toolkit allows developers the ability to quickly integrate document handling functions such as image manipulation, compression, manipulation, manipulation, manipulation, editing, manipulation, compression and image enhancement into their applications. ImageGear allows your application to clean up files such as deskew, line, and speckle removal, among others. ImageGear's color-processing tools can be used to improve image quality and reduce compressed file sizes. This SDK for image processing and document cleaning includes many APIs that allow image processing and clean-up. ImageGear can help you add functionality to your applications. Learn how ImageGear can meet all of your document lifecycle requirements. This PDF SDK allows.NET developers add robust PDF functionality to their applications. Users can view, annotate and compress pages. Discover all the PDF manipulation capabilities of ImageGear PDF and how it can enhance your application.

Creating content can be quite challenging, which is why we developed a tool designed to help you produce social media images, banners, or PDFs using reusable templates without any coding skills required! You can execute multiple requests either synchronously or asynchronously, and with the asynchronous option, you'll receive a notification through a webhook once the content is ready. The platform allows you to edit and view the results in real-time through a convenient side-by-side preview panel, specifically for PDF creation. It offers templates for various social media platforms, including Facebook, Instagram, and Pinterest. APITemplateio provides a seamless way to generate your social media visuals, such as Instagram posts, leveraging custom reusable templates via REST API or no-code solutions. Business owners are well aware that time is of the essence, and the reality is that creating and publishing social media content can take a significant amount of time, particularly when striving for consistency while manually crafting posts for diverse social media channels. Embracing this tool can streamline your workflow and enhance your online presence more efficiently.

Aspose.PDF delivers a comprehensive suite of solutions for developers and end-users to manipulate and parse PDF documents. Specifically designed for .NET, Aspose.PDF for .NET serves as an advanced PDF Processing API that facilitates document management and manipulation within cross-platform applications. This API allows users to effortlessly generate, modify, convert, render, secure, and print PDF documents without the necessity of Adobe Acrobat. In addition, it includes features such as compression, table creation and manipulation, graph and image functions, extensive hyperlink capabilities, stamping and watermarking options, heightened security controls, and custom font management. For Java users, Aspose.PDF offers a speedy and lightweight API to create, alter, render, secure, and print PDF files, also eliminating the need for Adobe Acrobat. Furthermore, this API is compatible with various file formats, including TXT, HTML, PCL, XML, XPS, and images, making it a versatile tool for diverse document processing needs.

CraftMyPDF lets you create pixel-perfect PDF documents using pre-defined templates or JSON data. CraftMyPDF's drag-and-drop editor makes it easy to create PDF templates in minutes from any browser. Our PDF generation API supports Zapier, Integromat & REST API integration. CraftMyPDF offers high-quality fonts that you can use. Our font selector makes it even easier to instantly select, view, and then use hundreds of fonts in your PDFs or reports.