List of the Top PDF APIs in 2025 - Page 2

WebPDF is a versatile online platform that simplifies the process of modifying PDF documents. Through its user-friendly web interface, users can perform various tasks, while a robust API is available for developers looking to integrate these functionalities directly into their applications. The operations you can execute include merging several PDFs, splitting documents, compressing files, extracting metadata, flattening forms, and retrieving images and text from PDFs. Additionally, users can lock or unlock documents, apply optical character recognition (OCR), adjust file sizes and versions, add watermarks, and optimize PDFs for web use. Numerous other tools are also offered, with even more features anticipated in future updates. Best of all, WebPDF allows you to explore these capabilities at no cost, making it accessible even without creating an account. This makes it an excellent choice for anyone needing flexible PDF solutions.

Achieve thorough management of your documents with fast, streamlined APIs designed specifically for enterprise-level applications. With ease, you can create, load, modify, save, and manage XLSX spreadsheets, PDFs, images, and DOCX files using programming languages such as C# .NET, VB.NET, or Java. The JavaScript PDF Viewer and PDF Editor allow you to view, edit, print, fill out forms, and submit documents seamlessly. These solutions work smoothly across Windows, macOS, and Linux, freeing you from the need for Excel, Word, or Acrobat. Additionally, you can implement these tools on various cloud platforms, including Azure and AWS, as well as AWS Lambda. Products are available individually or as part of an all-inclusive package. The .NET 6 Document API is specifically designed to quickly generate large, efficient documents while maintaining a lightweight and flexible structure, giving you greater creative freedom in application development. With a single code base, developers can target any .NET platform or major operating system, including .NET, C#, VB.NET .NET Framework, Mono, Xamarin.iOS, and Xamarin.Android, which enhances the development experience. Furthermore, the efficiency of the API empowers developers to fine-tune their workflows, leading to improved performance and productivity in their applications, ultimately transforming how document handling is approached in business environments.

Gendoc effortlessly creates stunning PDF documents using templates for various purposes, including proposals, invoices, whitepapers, presentations, and marketing materials. With our robust HTML to PDF conversion API, you can seamlessly incorporate PDF generation into your product, CRM, or IT infrastructure, enabling the creation of aesthetically pleasing PDF documents that will delight your clients. Additionally, you can design custom templates tailored to your specific needs.

Our application programming interfaces (APIs) simplify the automation of document processing within your software solutions. Each API is capable of handling input documents, whether they are images or PDFs, and provides a well-organized response containing all necessary information. With instant processing, users benefit from an optimal experience. You can expect high-quality outputs regardless of the initial image clarity. This approach yields structured data without the need for any further processing. To assist developers in crafting powerful APIs that are user-ready, we leverage cutting-edge advancements in deep learning. Our innovative algorithms identify pertinent information in images prior to analysis, setting us apart from conventional optical character recognition (OCR) methods. This modern approach dismantles the traditional limitations of OCR in terms of speed, precision, and reliability. There's no need for training, templates, or lengthy setups. Developers can easily integrate our APIs through a plug-and-play system. Our platform is designed with an API-first mentality, catering specifically to developers. Additionally, a free plan is available for developers, requiring no credit card information. These APIs operate in a synchronous cloud environment, ensuring efficient and effective processing. Overall, our solutions aim to revolutionize how document processing is approached in software development.

Anvil is a versatile workflow platform based on embedded logic that enables businesses to efficiently manage a large volume of PDFs, which require completion, generation, maintenance, and signing. This platform allows for a tailored approach to handle diverse PDF-related tasks seamlessly.

Our libraries deliver exceptional performance and comprehensive PDF capabilities for enterprise, mobile, and cloud applications on every platform. They support the most widely used programming languages and environments. To effectively integrate with your chosen platform, having a modern tech stack is crucial. We continuously enhance our products, introducing new features every month to keep up with technological advancements. As your project develops and your needs evolve, we will adapt alongside you. You don't need extensive PDF expertise, as our primary API is crafted to ensure a smooth developer experience across all seven platforms: Web, Windows, Android, iOS, Mac, UWP, and Linux. The team at Foxit is recognized for their ability to handle edge cases and successfully manage 100% of PDF files from every standard. By utilizing a single SDK, you can minimize reliance on multiple third-party solutions. Foxit also offers support from real developers, along with sample projects, demos, API documentation, and more for each feature of the SDK. This commitment to support ensures that you have all the resources necessary for successful implementation and development.

This modern cloud infrastructure offers an array of freemium microservices and solutions tailored for productivity across different sectors, featuring compression and unified APIs that function effortlessly on any platform, client, or programming language, supplemented by an innovative SaaS licensing model. Extensive guides and detailed documentation provide insights into essential processes such as authentication, API communication, document processing, and error management, while also emphasizing best practices for achieving peak efficiency. A straightforward and intuitive ASP.NET Core MVC application exemplifies the integration of DocuVieware through the PassportPDF Rest API for document visualization purposes. This application is intended to grow over time, with plans to introduce additional similar demonstrations in the future. Additionally, a simplified ASP.NET 4.6.2 application further illustrates how to utilize DocuVieware via the PassportPDF Rest API, showcasing the flexibility and adaptability of these tools across various development platforms. Users can expect continuous updates and improvements, ensuring that they have access to the latest features and enhancements.

There are many popular free libraries available for converting HTML to PDF, including wkhtmltopdf, PhantomJS, and Chrome Headless / Puppeteer, which leverage Webkit or Chromium rendering engines optimized for scrollable web pages. In contrast, DocRaptor focuses on producing multi-page documents, leading to notable variations in PDF attributes such as page breaks, headers, footers, and adjustable page sizes. This fundamental difference influences both the structure and presentation of documents. Our conversion engine stands out by providing an array of advanced layout and styling options, including compatibility with CSS Paged Media, which far exceeds the capabilities of open-source PDF engines. Additionally, being a cloud-based API allows us to offer professional support, instant scalability, and consistent reliability, thus freeing users from the costs associated with maintaining these libraries and their infrastructure over time. Consequently, this blend of features not only enhances usability but also positions our solution as a highly attractive option for anyone in need of superior PDF generation. Ultimately, our commitment to innovation and user satisfaction drives us to continuously improve our offerings, ensuring that our clients can rely on us for their document conversion needs.

Create a PDF from Microsoft Office documents, protect sensitive information, and easily convert it to multiple formats. By programmatically adjusting documents, you can reorder, insert, and rotate pages while also reducing file sizes. Leverage the cloud-based APIs that drive Adobe's user-friendly applications to deliver scalable and secure solutions effectively. You can extract text, images, tables, and other elements from both native and scanned PDF files, resulting in a well-organized JSON file. The PDF Extract API employs sophisticated AI technology to accurately identify text components and understand the natural reading order of various elements, including headings, lists, and paragraphs that may span multiple columns or pages. Furthermore, it captures font styles and metadata, recognizing attributes such as bold and italic text along with their locations within the PDF. The extracted data is structured in a JSON format, whereas tables can be provided in CSV or XLSX formats, and images are saved as PNG files. This all-encompassing method guarantees that users can efficiently handle and modify their PDF documents while maintaining critical data integrity, ensuring a seamless experience throughout the process. Moreover, the ability to manipulate and convert files not only enhances productivity but also streamlines workflows for various professional applications.

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.

DynamicDocs API is a robust JSON-to-PDF solution built on LaTeX that enables the generation of bulk PDF documents while seamlessly incorporating elements such as tables, graphs, logic, and charts into the templates. This API empowers users to either design their own templates or leverage pre-existing JSON-to-PDF templates with no need for LaTeX expertise. Furthermore, DynamicDocs API ensures that the resulting PDFs are of exceptional quality, dynamic in nature, and optimized for web use, making it a versatile tool for document creation. Users can enjoy the flexibility of customizing their documents to fit specific needs without the complexity typically associated with PDF generation.

An efficient, reliable, and easy-to-use API designed for converting HTML into PDF format. PDFShift acts as a powerful resource for changing HTML and CSS files into top-notch PDF documents, allowing developers to effortlessly automate their document conversion tasks while minimizing ongoing maintenance costs. With this API, users are guaranteed access to the most current features and upgrades, which significantly boosts productivity in their workflows. Additionally, the straightforward integration process makes it an ideal choice for developers seeking to streamline their operations.

An open-source REST API enables users to generate, modify, and oversee PDF documents through programming techniques. This service offers various functionalities such as the ability to rotate and remove pages, apply password security, compress files, and execute tasks in the background. It stands out as an excellent resource for developers seeking to work with PDFs effortlessly. Access to this API is completely free, requiring only an API token for usage. Additionally, the flexibility it provides can significantly enhance productivity in managing PDF workflows.

PDFBolt is a robust API designed for converting HTML to PDF, making it an ideal solution for businesses and developers seeking to generate high-quality PDF documents effortlessly. This developer-centric API delivers pixel-perfect PDFs that comply with GDPR regulations in mere seconds. Key Features: - Instantaneous conversion of HTML and URLs to PDF format. - Flexible PDF layout customization, including options for headers, footers, margins, and overall page formatting. - Secure processing that adheres to GDPR standards. - Support for both synchronous and asynchronous API requests. - Integration capabilities with webhooks and direct uploads to S3. - A comprehensive dashboard for tracking usage, managing API keys, and reviewing detailed logs. - Extensive documentation alongside responsive customer support. - Free Forever Plan allowing up to 500 PDFs each month. PDFBolt: Streamline your PDF generation without any hassle or complex setup! Enjoy the simplicity of creating PDFs effortlessly!

An innovative API platform is specifically crafted for the intelligent extraction of data from PDF documents, enabling automated parsing of various files. This system allows users to develop reusable low-code templates for data extraction, accommodating multiple languages for OCR alongside tables and fields. It incorporates a built-in invoice parser and offers a range of functionalities such as splitting, merging, reordering, and removing pages from PDF files. Advanced splitting tools enable users to fill out PDF forms and seamlessly add text, images, and signatures to existing documents. Furthermore, it supports auto-filling for interactive fields and can generate PDFs from HTML templates, incorporating conditions, variables, and custom logic as needed. Users benefit from high-quality PDF output with comprehensive control over the production quality, ensuring both security and scalability in their operations. The PDF extraction engine efficiently converts documents into various formats, including raw JSON, CSV, XML, XLS, and XLSX, while retaining the original layout and effectively extracting tables. Additionally, the platform's OCR capabilities not only repair malformed text but also extract multiple types of barcodes, such as QR Codes, Code 128, Code 39, DataMatrix, and PDF417 from PDFs, scans, and images, all powered by an advanced barcode reading engine. With such a broad array of features, this platform is positioned as a comprehensive solution for addressing all PDF-related data extraction requirements, making it an invaluable tool for businesses and individuals alike.

The Apache PDFBox® library is a dynamic open-source solution in Java designed for handling PDF documents effectively. This project not only allows users to create new PDFs but also to modify existing ones and extract various types of content from those files. In addition, Apache PDFBox includes numerous command-line utilities that expand its capabilities even further. Distributed under the Apache License v2.0, the library provides functions for extracting Unicode text from PDFs, splitting a single PDF into several files, and merging multiple PDFs into one cohesive document. Users can also extract data from forms, fill out PDF forms, and ensure that their files meet the PDF/A-1b validation standard. The ability to print PDFs using the standard Java printing API, as well as to create new PDFs that incorporate embedded fonts and images, is also part of its robust feature set. Moreover, users can save PDFs as image files in formats such as PNG or JPEG, which adds to its versatility. The library further allows for the digital signing of PDF documents, thereby enhancing their authenticity and security. Lastly, it is crucial for users to examine the export control information related to the encryption features offered by Apache PDFBox to ensure adherence to applicable regulations, making it a comprehensive tool for PDF management.

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.

Elevate your projects by integrating advanced capabilities for editing, parsing, and rendering PDFs through an elite PDF library SDK. This adaptable multi-platform shared library, offered in formats such as dll, so, and dylib, provides a C-compatible interface that accommodates a range of programming languages like C#.Net, Python, Java 8, and C++ 11. The SDK boasts APIs tailored for various operating systems, including Linux, Windows, and Mac, and comes packed with a multitude of interface functions designed for creating and transforming PDF content, thus ensuring extensive customization options that cater to the specific needs of your project. It adeptly utilizes multi-core CPUs for efficient stream decoding and content rendering, while strictly adhering to the guidelines set forth by the portable document format specification. Users benefit from the ability to apply electronic signatures, with the flexibility to add or omit a cryptographic security layer based on their preferences. Furthermore, the SDK offers robust capabilities for PDF encryption and decryption, featuring a password-based encryption handler, as well as a comprehensive suite of tools for manipulating document structure—this includes creating, deleting, moving, inserting, extracting, resizing, and rotating pages. With these extensive features, this SDK ensures thorough management of all PDF-related tasks, establishing itself as an essential tool for developers looking to enhance their applications with superior PDF functionality. As a result, it empowers developers to create tailored solutions that meet diverse project demands while optimizing performance and security.

LEADTOOLS libraries provide developers with a powerful PDF API that enables reliable and multi-threaded operations with minimal coding, removing the need for external tools like Acrobat. With a wide array of PDF controls, users can efficiently read, write, convert, and display PDF documents while seamlessly integrating advanced features such as OCR, ICR, OMR, forms recognition, virtual printing, and scanning APIs to create all-encompassing PDF solutions. The document viewer API framework allows for the effortless loading and viewing of any PDF file, making it user-friendly. Thoroughly validated against a vast number of PDF files, the LEADTOOLS PDF SDK guarantees outstanding viewing accuracy and performance that often exceeds that of many leading PDF readers available today. By effectively addressing the common inconsistencies and challenges posed by various PDF file versions, LEADTOOLS empowers developers to approach their projects with confidence, significantly cutting down on testing time and facilitating the rapid development of high-quality PDF applications. Moreover, this streamlined efficiency not only accelerates the development cycle but also greatly improves user satisfaction with the end products, leading to a more successful overall experience.

The Aquaforest SDK is a comprehensive toolkit tailored for PDF processing, featuring capabilities such as content extraction, the creation of searchable PDFs, and advanced OCR functionalities that utilize both the standard Aquaforest engine and the upgraded Canon IRIS engine, as well as handwriting recognition through Google and Microsoft APIs. It includes a powerful PDF and barcode toolkit optimized for performance, capable of utilizing up to 64 processing cores for various tasks. This SDK enables efficient analysis of PDF documents, automating the extraction of name/value pairs for subsequent applications. Among its extensive manipulation options are features for merging PDFs, managing attachments, extracting content, processing XMP metadata, and ensuring PDF/A compliance, among others. The standard OCR engine remarkably supports 23 languages and is accessible across all SDK versions, which enhances its versatility in multiple contexts. In addition, the tool integrates effortlessly with cloud OCR services from Google and Microsoft, providing significant advantages for specialized tasks like handwriting recognition. The SDK also excels in reading and identifying a diverse array of standard barcode formats, further expanding its potential use cases in various industries. With continuous updates and improvements, the Aquaforest SDK remains a leading choice for developers seeking robust PDF processing solutions.

This toolkit for processing and cleaning documents and images empowers developers to seamlessly incorporate various document handling features, such as image editing, compression, and enhancement, into their software. With ImageGear, applications can efficiently perform tasks like deskewing and removing lines and speckles from files, ensuring that images are clear and professional. The advanced color-processing capabilities of ImageGear enhance image quality while also minimizing the size of compressed files. This software development kit (SDK) offers a wealth of APIs designed for thorough image processing and cleanup, making it easier than ever to enhance application functionality. Additionally, ImageGear is instrumental in fulfilling all aspects of the document lifecycle, allowing .NET developers to integrate strong PDF features into their applications. Users can not only view and annotate PDF pages but also compress them to improve efficiency. Explore the extensive PDF manipulation features provided by ImageGear to elevate the performance and functionality of your applications even further.

jPDFOptimizer is a Java-based library designed to streamline and minimize the file size of PDF documents effectively. This tool works by eliminating unnecessary objects, identifying and combining duplicate images and fonts, and adjusting image resolution, compression methods, and color spaces to achieve optimal size reduction. It boasts a straightforward yet robust API that enables developers to customize their document optimization processes precisely. Leveraging Qoppa Software's advanced PDF technology, jPDFOptimizer operates independently of any third-party software or drivers. Being a fully Java-compatible library, it functions seamlessly across various operating systems, including Windows, Linux, and Solaris, as long as a standard Java implementation is available. Key features include the ability to modify image resolution, color space, and compression settings. Additionally, it supports advanced image compression techniques such as JPEG 2000 and JBIG2, as well as data stream compression. The library also efficiently eliminates unused elements, merges duplicate images and fonts, and offers flexible optimization parameters. Furthermore, it includes functionality for linearizing PDFs to enhance web viewing speed while maintaining support for the latest PDF standards and compatibility with JDK 1.6 and later versions. This comprehensive suite makes jPDFOptimizer an invaluable tool for anyone looking to optimize PDF documents effectively.

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.

jPDFEditor caters specifically to developers and integrators, while Qoppa Software provides PDF Studio, a versatile desktop PDF editor compatible with Mac, Windows, and Linux, built on robust PDF technology. With jPDFEditor, users can easily load documents from various sources, including local and network drives, URLs, and Java input streams, which is particularly beneficial for runtime-generated documents or those sourced from databases. After making edits, the library also supports saving the modified documents. Key features include the ability to display and print PDF files, seamlessly convert text and image formats (like GIF, PNG, JPG, and TIFF) into PDFs, and fill out and save interactive PDF forms. Users can annotate and markup PDFs with full support for all types of PDF annotations, digitally sign documents, edit content, and perform redaction. Additionally, jPDFEditor offers optional modules for Optical Character Recognition (OCR) and document comparison. Its powerful API, known as jPDFProcess, enables extensive PDF manipulation, while features like text search, selection, and copy facilitate efficient document handling. The interface supports easy navigation through thumbnails, bookmarks, annotations, and signatures, complemented by advanced tools such as zoom, loupe, and snapshot functionalities. Overall, jPDFEditor provides a comprehensive solution for managing PDF files effectively.

Aspose.PDF provides a wide array of tools designed for effective PDF manipulation and parsing, serving both developers and end-users. The Aspose.PDF for .NET is a robust PDF Processing API tailored for .NET Core, facilitating seamless management and manipulation of documents across multiple platforms. Users can effortlessly create, modify, convert, render, secure, and print PDF files without needing Adobe Acrobat. This comprehensive API encompasses features like document compression, table creation and manipulation, image and graph handling, extensive hyperlink management, along with functionalities for stamps and watermarks. It also includes enhanced security features and the ability to manage custom fonts. Similarly, Aspose.PDF for Java offers a flexible processing API that allows users to create, modify, render, secure, and print PDF documents without dependence on Adobe Acrobat. This API supports a variety of formats, including TXT, HTML, PCL, XML, XPS, and various image files, making it a versatile solution for numerous document management needs. With such an expansive range of capabilities, Aspose.PDF emerges as an essential tool for anyone seeking efficient PDF document handling and processing. Moreover, its consistent updates and user-friendly interface further enhance its appeal, ensuring that users can easily adapt to evolving document requirements.