Best PDF APIs for Cloud
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What are PDF APIs for Cloud?
PDF APIs are software interfaces that enable developers to integrate PDF-related functionality into their applications or websites. These APIs allow for the creation, manipulation, conversion, and extraction of content from PDF files without requiring users to manually open or edit the files. Common features of PDF APIs include merging, splitting, editing text, adding annotations, and extracting text and images. They can also handle PDF conversions, such as converting PDFs to other formats like Word, Excel, or HTML, and vice versa. By using PDF APIs, businesses can automate document workflows, enhance document management systems, and integrate PDF capabilities into custom applications seamlessly. Compare and read user reviews of the best PDF APIs for Cloud currently available using the table below. This list is updated regularly.
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1
Pdftools
PDF Tools
Whether you have thousands of documents or millions, Pdftools has the products and services to help make processing a breeze. Designed for document-heavy industries, Pdftools’ suite of SDKs and APIs are here to make your document workflows easier, faster, and stress-free. Built on SDKs and APIs, the Pdftools products integrate seamlessly into your existing (or new) systems and applications. Process thousands of documents every minute. Our tools are precision-engineered to be efficient and run at blazing speeds. We’re engineers at heart, so we’re only satisfied with the most reliable, orderly, and usable, and well-documented platforms. Shrink file sizes down, but keep the quality and interactivity. Your documents will always be compliant for long-term archiving. We’ve obsessed over every detail in our products, and documented everything so it’s easy to get started.Starting Price: $0/month/user -
2
DocuGenerate
DocuGenerate
Easily generate PDF documents like invoices, letters, contracts, agreements, certificates and more with our API and web app. Prepare your Word template with tags where you want to have dynamic text. Then provide the data as JSON or in an Excel file. For each data item, a document will be generated from the template by replacing the tags with the actual data. The advanced customization options can help your business generate PDF documents for any use case with minimal effort. After uploading the template, the merge tags are automatically detected based on the template content. Create personalized experiences for your business using our REST API. Generate in bulk thousands of PDF documents like invoices, letters, contracts, agreements, certificates, and more. Simply call the generate document API endpoint with your data and in a few seconds a document will be generated from the specified template, ready for use in your own application or workflow.Starting Price: $19 per month -
3
RAD PDF
Red Software
Add a fully functional PDF editor to your ASP.NET website in minutes! Compatible with 99% of desktop & mobile browsers, from Internet Explorer 6 through the latest iOS Safari release, RAD PDF simply works. No plugins or other software needed. RAD PDF natively supports the most commonly used PDF features. Beyond a PDF reader, RAD PDF equips web applications with a browser-based PDF editor & PDF annotator. Features not even available in Adobe Acrobat Reader can be used to provide advanced PDF functionality. By enabling PDF form filling, PDF redaction, & PDF signing directly in the web browser, RAD PDF users can utilize PDF features without worrying about having the right platform or software installed! Allow your app to design new PDF forms, protect content, sign PDFs, & more using an intuitive graphical user interface (GUI). Client (JavaScript) and server APIs allow for endless possibilities .NET Core, Framework, & .NET 5+ supported Try editing any PDF with RAD PDF, FREE!Starting Price: $299 per developer -
4
Nutrient SDK
Nutrient
Nutrient is the comprehensive solution for all your PDF needs, offering tools that effortlessly integrate and operate PDF functionality across any platform. 1. SDK PRODUCTS Integrate robust PDF functionality into iOS, Android, Windows, web (JavaScript), or any cross-platform technology, providing capabilities such as PDF viewing, markup, collaboration, and more. 2. LIBRARIES Utilize our potent .NET and Java libraries to boost your backend applications with batch processing of redactions and PDF forms, OCR’d scanned text, and editing of PDF documents, directly from your application server. 3. PROCESSOR Our dynamic PDF microservice, Processor, enables swift generation of PDFs from HTML, including HTML forms, along with Office-to-PDF conversions, OCR, redaction, and XFDF merging and exporting. 4. PDF API Use hosted PDF API to generate, convert, and modify PDF documents in your workflows. We manage the development and server administration, letting you focus on what you do best. -
5
MindCloud
MindCloud
MindCloud is a software company that builds and maintains custom connections between your software and other platforms so you can eliminate manual data entry and start automating and scaling your business. As technology continues to advance, the modern business owner is using more and more online software tools to manage their business. MindCloud creates a seamless flow from one software platform to the next, saving time and money by connecting your software and automating your business process. We have over 50 prebuilt connectors and can add new connectors within 2-3 weeks of starting a project. What makes us different is we provide a full service that doesn't take extra technical resources on your end. We specialize in Salesforce, Hubspot, Monday.com, QuickBooks, Method:CRM, Zapier, Amazon, Ebay, Groupon, Mercado Libre, HSN, Airtable, Google Sheets and many others. Integrate your business. Simplify your life.Starting Price: $625/month -
6
pdfRest
Datalogics Inc.
pdfRest API Toolkit was made by developers, for developers. Rapidly integrate PDF workflows with any business application, simply and seamlessly. pdfRest API Toolkit includes all of the PDF processing tools you'll need, to make your job easy. PDF to Word, PDF to Excel, PDF to PowerPoint, Add to PDF, Query PDF, Extract Text, Convert to PDF, PDF to Images, Convert to PDF/A, Convert to PDF/X, Compress PDF, Linearize PDF, Flatten Forms, Flatten Transparencies, Flatten Annotations, Flatten Layers, Merge PDFs, Split PDF, Encrypt PDF, Decrypt PDF, Restrict PDF, Watermark PDF, Import Form Data, Export Form Data, Convert PDF Colors, OCR PDF, API Polling, Upload Files, Zip Files. Get up and running fast with the pdfRest Postman Collection or start from functional sample code in .NET, JavaScript, Python, PHP, and cURL from the pdfRest GitHub repository. Gold-standard processing powered by Adobe® PDF Library™ ensures the highest quality results. Free to get started with no commitment.Starting Price: $0 per month -
7
PrizmDoc
Accusoft
Through a collection of UI components and content manipulation APIs, PrizmDoc provides customizable document processing to help developers deliver in-browser document creation, editing, and collaboration functionality, to enhance their software applications. Our functionality integrates on the client and server side smoothly, creating a seamless experience for both you and your users. Render and display dozens of file types, from Adobe PDFs and Microsoft Office files to CAD and DICOM formats, in a browser without the need to download or open native applications. Designed for seamless integration with your application, our zero footprint HTML5 viewer is fully customizable, from quick integrations with minimal configuration to complete programmatic control using our extensive JavaScript API. -
8
pdfRest API Toolkit Self-Hosted
Datalogics Inc.
pdfRest API Toolkit Self-Hosted is available on the AWS Marketplace and can be spun up in just a few clicks. Self-host a production ready server to integrate the PDF processing API Toolkit into your own service or to automate your internal document workflow. Watermark PDF, Add to PDF, Query PDF, Convert to PDF, PDF to Images, Convert PDF Colors, Convert to PDF/A, Convert to PDF/X, Compress PDF, Linearize PDF, Flatten Annotations, Flatten Layers, Flatten Transparencies, Merge PDFs, Split PDF, Encrypt PDF, Decrypt PDF, Restrict PDF, Extract Text, OCR PDF, Upload Files, Zip Files. Maintain full control with a dedicated EC2-based RESTful API with scalable performance to meet your needs. Built with Adobe PDF Library, the same technology that powers Adobe Acrobat, and developed by Datalogics, globally-trusted document processing experts for over 50 years, pdfRest has the gold-standard API Toolkit for high-quality PDF processing.Starting Price: $0.242 per hour -
9
ComPDFKit PDF SDK
PDF Technologies, Inc.
ComPDFKit offers a top-quality PDF SDK, PDF API, and PDF Server for developers or companies. It allows them to integrate PDF editing, annotating, converting, form filling, digital signing, comparing, measuring, and redacting into any device. ComPDFKit Updates: 1. ComPDFKit API - Sign up and Get 1000 Free Files Processing Monthly. Allow you to edit & convert PDF files, split/merge/insert/rotate/delete/extract PDF pages, and process PDFs with OCR, image processing, form recognizer, layout analysis, trim correction, and stamp inspection. 2. Free Online Tools Work with PDF in ComPDFKit online PDF tools to convert PDF files to/from docx, xlsx, pptx, png, jpg, html, txt, csv, rtf files, etc. 3. Web Demo View, Edit, Annotate, Compare, Sign, Encrypt, Decrypt, watermark PDF files, and Create/fill out PDF forms online for free. 4. Community License Start-ups and Individual developers can get affordable prices from ComPDFKit. -
10
PDF Conversion SDK
Visual Integrity Technologies
Add PDF Features with 2 API Calls Open, Edit, and View PDF. All that's needed is two API calls and a configuration file. Within a day, you can add, open, import, edit and view PDF features in your app. When formats don't match one-to-one, the SDK neutralizes the differences. This includes adding cropping, fills, color management and fonts. The PDF Conversion SDK processes all PDF versions including ISO Standard PDF 2.0. Any PDF from file or print-ready memory is valid input. Conversions flow straight through without intermediate steps or compromised quality. No printer driver. The PDF Conversion SDK runs on Windows, MacOS and Linux. It supports .NET. Example code included. Removes redundant information & compresses data. This ensures great performance for fast web and application viewing. Search for objects and text strings. Convert PDF to your native file format. Change the contents of a PDF page. Extract images from PDF. Retrieve metadata from PDF (layers, geospecification, etc).Starting Price: $199 per year -
11
PageToPDF
Aypeye
Converting a Web Page or Website to PDF for Free Online has never been easier than with PageToPDF @ Aypeye. Our SaaS cloud-hosted PDF converter can quickly and easily convert any webpage into a high-quality PDF file. PageToPDF also offers an Application Programming Interface (API) for bulk PDF conversion. Enter the URL of any webpage and our advanced software will automatically convert it into a professional-looking PDF document. Our PDF generator is perfect for professionals who need to save important web content for reference or sharing with clients. It's also ideal for students who need to save online articles for research or study purposes. There are no monthly fees or contracts. Page To PDF is priced as a Pay As You Go model meaning you only pay for what you use.Starting Price: $15 for 500 PDFs -
12
PDF Library
Big Faceless Organization
PDF library for creating, editing, displaying and printing Acrobat PDF documents. The PDF API is small, fast, easy to use and integrate into your projects, and is completely written in Java. The API has been designed so you don't need to know the PDF specification in order to create PDFs. We hide as much of the gory details as possible but still give you almost complete control over the PDF itself. Where possible we re-use standard Java classes - for example the pages are stored in a java.util.List, which can be manipulated any way you like (so moving pages from one document to another is a breeze). This means an API which is smaller and easier to remember.Starting Price: $850.00/one-time/user -
13
DocSpring
DocSpring
Makes it easy for programmers to fill out and generate PDFs. We provide a visual PDF template editor and PDF filling API. Fill out PDFs with an API request. DocSpring makes it easy for developers to fill out PDF forms. Upload a PDF template, we’ll automatically import fields if your PDF has a fillable form. Set up your fields, use our visual template editor to drag-and-drop your fields. Send an API request, send a POST request to generate a PDF with a few lines of code. Drag-and-drop your fields in DocSpring's visual PDF template editor, then set your fields types, conditions, and how you want to display the data. Ensure the data you send in your API requests matches the fields in your PDF templates. Never accidentally delete a field or send the wrong data. We support a wide range of field types, so you can fill out and sign any type of form. Fields include barcode, QR code, image, signature, and many more. We can generate web-based forms from the fields in your PDF template.Starting Price: $49 per month -
14
GDPicture Document Processing SDKs
GdPicture.NET
The only Document Processing SDKs with 3000+ features. GdPicture is altogether a PDF, OCR, barcode, document imaging, and formats SDK with more than 3,000 functionalities, for any software development. Five-in-One Toolkit! Unlike most SDK companies that sell separate toolkits, GdPicture delivers an all-in-one SDK without extra costs or complex licensing. Offers advanced set of APIs with leading-edge technologies like artificial intelligence, machine learning, fuzzy logic algorithms, etc. for any of your development projects. With ~15 years of continuous research and a focus on innovation, our SDKs have become the most comprehensive solution in the market. -
15
PDFmyURL
PDFmyURL
Use our HTML to PDF API to create PDFs from URLs or HTML. Let your visitors save web pages as PDFs with a single click! Convert entire websites to PDF easily! Join thousands of customers making high-quality PDFs since 2008! Quickly and easily convert any URL or raw HTML into a high-quality PDF. You can use our REST API in any programming language and it comes packed with many options for different layouts, headers, footers, watermarking encryption, and much more. Put a save as PDF link or button on any of your web pages and let your visitors download these pages as PDF with a single click. You control many layout options and set a custom header and/or footer. Save your entire website as a PDF for copyright or other purposes. You just enter the URL and we'll take all the pages of the website and pack them into a single PDF. You grab a coffee and wait until we finish because we'll email you when it's done!Starting Price: $19 per month -
16
PDFKit.NET 5.0
TallComponents
Create and manipulate PDF documents. Split, append, stamp, encrypt, extract, fill, and more. PDFKit.NET is a 100% managed (verifiable) .NET class library for creating and manipulating PDF documents. It consists of just a single assembly that can be xcopy-deployed. It has no dependencies other than the .NET framework. Central to PDFKit.NET is a consistent and highly intuitive object model consisting of classes like document, page collection, page, canvas, shape, bookmark, annotation, field, etc. The focus of the development team is always to ease the task of integrating our class library into a larger application. Fill text fields, checkboxes, radio buttons, etc., and save the form either editable or flattened with the PDFKit.NET 5.0. With PDFKit.NET 5.0 you can populate and consume dynamic XFA documents with the new XFA processor API. Extract all graphics on a page as a collection of shapes with PDFKit 5.0. Shapes can be text, images, and curves.Starting Price: $990 per year -
17
PDFMonkey
PDFMonkey
PDFMonkey is the solution to handle your PDF generation needs. Web technologies, a simple REST API, it's never been so easy to make beautiful documents. Stop wasting time! Save development time, no more PDF building code to write, no more configuration, no dependency hell. We handle all the complexity for you.Starting Price: €15 per month -
18
Paperplane
Paperplane
Installing and maintaining a PDF backend is tedious and time-consuming. Paperplane adds PDF functionality to your app fast, so you can move on to what matters. If you have batch workloads, Paperplane will create up to 20 PDFs in parallel. Allowing you more time to improve your workflow and pump out more PDFs. The API is asynchronous too, meaning you can fire and forget your PDF jobs rather than keeping long-running processes around until everything finishes. Webhooks take care of notifying you of any errors that may have occurred during the PDF generation process. Are you looking for a solution to generate PDFs from your single-page app? If your site works in Chrome, it’ll work with Paperplane. Or choose to wait for an element to appear on the page before generating the PDF, so you can be sure all your content has loaded.Starting Price: $15 per month -
19
OneSimpleApi
OneSimpleApi
A toolbox with all the things you need to get your project to success: Image resize and CDN, PDF and Screenshots generation, Currency Exchange and Discounts, Email Validation, QR codes, and much more! Our color generator allows you to create a unique color based on a text, transform colors between HEX, RGB and HSL, and obtain Color palettes based on an initial color, or text! Image manipulation doesn't have to be hard. This API makes it super simple to adapt your images and then deliver them using a Content Delivery Network. Calculate readability scores, reading time estimates and sentiment scores with ease for all your texts. Generate perfect QR codes images or vectors. 100% customizable and effortless. Use it to promote an event, give a discount, or share a link. Obtain a Spotify Profile details, including their name, followers, popularity, picture, monthly listeners, biography, social media links, top songs, and top listeners locations.Starting Price: $19 per month -
20
WebPDF
SC Dailydriven United SRL
WebPDF is an online service that provides an easy an accessible way to alter PDF files. You can do any of the following operations using the web interface, but there's also a developer friendly API that you can integrate into your own application: Merge multiple PDFs Split PDF Compress PDF Extract PDF metadata Flatten PDF forms Extract images from PDF Extract text from PDF Lock & Unlock PDF OCR PDF Change PDF size Change PDF version Watermark PDF Optimize PDF for web Rescale PDF There are many other tools not mentioned here and lots more to be released. You can try WebPDF for free, even without an account.Starting Price: $4/month -
21
Mindee
Mindee
Mindee is the first fully horizontal and developer centric document understanding platform. We help developers and product teams worldwide build the most intuitive and efficient user experiences when it comes to document processing. You will be able to : - Build magical UX using our 1-second-response-time synchronous API - Differenciate your product leveraging the latest computer vision deep learning models - Scale everywhere. We are fully language agnostic and do not depend on templates - Save your users time and hassle by freeing them from manual data entry - Easily integrate in no time within your roadmap thanks to our client libraries in all main languages and our clean documentation -Sleep tight knowing everything happens on a scalable and secure infrastructure, fully GDPR compliant -Extend the fun leveraging everything from our open-source software toolbox -Trust the bill. No setup fee, no platform fee, no maintenance fee. -
22
Anvil
Anvil
Anvil provides companies who require a high volume of PDFs to be filled, generated, maintained, and/or signed a customizable, embedded, logic-based workflow platform.Starting Price: $0 per month -
23
Foxit PDF SDK
Foxit Software
Our high-performance libraries add robust PDF functionality to enterprise, mobile, and cloud applications across all platforms: Web, Windows, Android, iOS, Mac, UWP and Linux, using the most popular developer languages and environments. Build on a modern tech stack that integrates tightly with the platform you’re working on. We continuously improve our products and they gain new features every month. We grow with you as your requirements change and your project evolves. Our core API is designed from the ground up to deliver a seamless development experience across all platforms, without requiring deep PDF knowledge. Foxit is known for our management of edge cases, and for working with 100% of PDF files across all standards. With only one SDK to work with, you dramatically reduce your exposure to third parties. We provide sample, projects, demos, API docs and more for every single feature in the PDF SDK to get you up to speed quickly. You will receive support by real developers. -
24
DocRaptor
Expected Behavior
There are several popular free HTML-to-PDF libraries including wkhtmltopdf, PhantomJS, and Chrome Headless / Puppeteer. These tools use the Webkit or Chromium rendering engines, which are designed to display continuously scrolling webpages. In contrast, DocRaptor was built for generating multi-page documents. This fundamental difference has a tremendous impact on PDF functionality such as page breaks, headers and footers, and variable page sizes. Our conversion engine provides layout and styling options (including CSS Paged Media support) that the open-source PDF engines simply cannot match. Additionally, as a cloud-based API, we provide professional support, instant scalability, and guaranteed reliability without the costs of long-term maintenance for these libraries and their infrastructure.Starting Price: $15 per month -
25
Adobe PDF Services API
Adobe
Create a PDF from Microsoft Office documents, protect the content, and convert to other formats. Programmatically alter a document, such as reordering, inserting, and rotating pages, as well as compressing the file. Access the same cloud-based APIs that power Adobe's end-user applications to quickly deliver scalable, secure solutions. Extract text, images, tables, and more from native and scanned PDFs into a structured JSON file. PDF Extract API leverages AI technology to accurately identify text objects and understand the natural reading order of different elements such as headings, lists, and paragraphs spanning multiple columns or pages. Extract font styles with identification of metadata such as bold and italic text and their position within your PDF. The extracted content is output in a structured JSON file format with tables in CSV or XLSX and images saved as PNG. -
26
PDF Generator API
PDF Generator API
PDF Generator API allows you easily generate PDF documents from pre-defined PDF templates with JSON data. Enable your users to create PDFs and manage their document templates using a browser-based drag-and-drop PDF editor to reduce development and support costs. We provide a workspace logic that allows creating a separate workspace for each of your users where they can store and manage document templates. A new workspace is automatically created whenever you make API requests with a new workspace identifier. You can write mathematical and logical expressions to manipulate and customize values displayed in components. Use ternary, arithmetic, bitwise and comparison operators, and functions to sum, join and iterate arrays. You can use different components like Text, Table and Barcode and define the formatting for number and date values. It is possible to group, filter and sort lists and tables without a need to modify the data set on the software application side.Starting Price: $59 per month -
27
aPDF.io
aPDF.io
A 100% free REST API to create, edit, split, merge, search, and manage PDFs programmatically. Features include rotating and deleting pages, password protection, compressing files, and background async execution. With no fees and just an API token required, it’s the perfect tool for developers needing powerful, seamless PDF handling.Starting Price: 100% Free -
28
PDFKit
PDFKit
PDFKit is a PDF document generation library for Node and the browser that makes creating complex, multi-page, printable documents easy. The API embraces chainability, and includes both low-level functions as well as abstractions for higher-level functionality. The PDFKit API is designed to be simple, so generating complex documents is often as simple as a few function calls. Access privileges (printing, copying, modifying, annotating, form filling, content accessibility, document assembly). Accessibility support (marked content, logical structure, Tagged PDF, PDF/UA). Supports JPEG and PNG files (including indexed PNGs, and PNGs with transparency). In addition to PDFKit, you'll need somewhere to stream the output to. Note that in order to Browserify a project using PDFKit, you need to install the brfs module with npm, which is used to load built-in font data into the package. -
29
Investintech PDF Library SDK
Investintech PDF Solutions
Seamlessly integrate robust PDF editing, parsing and rendering functionalities into your projects with PDF library SDK. Multi-platform shared library (dll, so and dylib) with C-compatible interface. C#.Net, Python, Java 8, C++ 11, libraries/modules. APIs for Linux, Windows, and Mac. Numerous interface functions for transforming and creating new content for PDF files, providing a huge variety of options and broad flexibility for implementation tailored to the specific needs of your project. Efficient utilization of multi-core CPUs for stream decoding and content rendering purposes achieved by closely following portable document format specification guidelines. Apply electronic signatures (with or without cryptographic security layer). PDF encryption & decryption (a password-based encryption handler). Document structure manipulation (create, delete, move, insert, extract, resize, and rotate pages). -
30
LEADTOOLS PDF SDK
LEADTOOLS
With just a few lines of code, LEADTOOLS libraries empower developers with a comprehensive PDF API to implement reliable and multi-threaded PDF functionality, without the need for third-party dependencies like Acrobat. Robust PDF controls to read, write, convert, and view PDF files can be combined with state-of-the-art OCR, ICR, OMR, forms recognition, virtual printing, and scanning APIs within LEADTOOLS to create complete solutions that utilize the PDF format. Load and view any PDF file using the document viewer API framework. Tested against thousands of PDF documents, LEADTOOLS PDF SDK libraries provide impeccable viewing accuracy and speed that tops many market-leading PDF reading applications. LEADTOOLS accounts for common errors and differences between PDF file versions to give programmers peace of mind, minimize their testing phase, and create the best PDF applications faster.