SelectPdf is an HTML to PDF converter API that lets you create PDF from web pages and raw HTML code in your applications. It is an easy to use REST API that can be used to convert HTML to PDF in any language.  

HTML 2 PDF Rocket API is a fast, easy to use web service that helps you to convert an HTML webpage into an image or PDF file. Further, this API has comprehensive documentation to get you started in minutes and a support team staffed by software developers.  

PDFSwitch is an HTML to PDF converter API that made it easy to convert your web content to PDF. It allows developers to generate PDFs at low costs without the hassle of wasting time on implementing outdated and expensive 3rd party libraries/software on your own managed server.  

PDFmyURL offers a professional API for webpage or HTML to PDF conversion. It lets you create high-quality PDF documents quickly, efficiently and cost-effectively. You can use it to create high-quality invoices, reports, tickets, e-books, brochures and much more.  

Sejda is an HTML to PDF converter API that generates high-quality PDFs from web pages using your favorite framework or language. Further, this API allows users to create, merge, split, extract, delete, sign, compress, and convert documents.  

HTML PDF API is a cloud service that allows you to convert HTML to PDF using standard web technologies (HTML, CSS, and JavaScript). It is the easiest way to add PDF EXPORT possibilities into your web or mobile application. This API is built on the REST concept so it is language agnostic. It can be easily integrated with any programming language that supports HTTP requests.  

ConvertAPI is a comprehensive & powerful cloud API to convert files with hundreds of formats supported. Use the API to easily convert documents, images, audio, video, CAD, email and more. It has comprehensive documentation to get you started in minutes and a support team staffed by software developers.  

BCL easyPDF HTML to PDF API provides a simple user interface that allows users to build applications with multiple custom settings. With it, the conversions can be as simple or as complex as the user desires. Using it, you can convert HTML to PDF from a variety of programming languages. You need only a few lines of code to build your own HTML to PDF programs with the best and easiest-to-learn PDF SDK on the market  

Essential Objects is a URL to PDF converter API that helps you to convert any URL or webpage to PDF file. In addition, to convert it to a file, it can also convert it to any .NET Stream object.  

Restpack HTML to PDF API is an easy to use RESTful web service that can capture live web pages and deliver the structured view as a PDF document. The service sits on a fully functional browser rendering engine with rich HTML/CSS/JS capabilities.  

ActivePDF is a successful PDF API provider that easily convert web content to PDF, PDF/A, and PDF/X format. This API provides ease of navigation within the PDF while creating a more natural web-style viewing experience to access targeted content.  

instant PDF is an intuitive HTML to PDF conversion API that allows you to generate PDFs using JSON markup. The API accepts HTTP POST requests with the JSON body and returns PDF documents. And, the document generation is done by the clj-pdf library. You can see it in action here.  

The pdflayer API was built to provide a quick and seamless way to automate HTML to PDF conversion in any application. Its lightweight RESTful infrastructure is based on an efficient combination of the most powerful PDF rendering engines available, making it the most cost-effective and reliable option for anyone looking to process small or large numbers of documents within short time windows.  

PDFShift is a high-quality, high-fidelity and powerful HTML to PDF conversion API. What it exactly does is it will automatically detect if it's a URL and load it, or an HTML document and charge it to PDF format.  

TinyPNG is an image compression service that optimizes the PNG images by 50-80% while preserving full transparency! It is a very straightforward and simple tool that lets you add up to 20 PNGs at a time to compress.  

Image Compressors is a free API which is used to optimize your images so that they are loaded faster on the Web. Moreover, it supports different image type such as JPEG/JPG, BMP, GIF, PNG. Besides, it empowers you to specify the URL instead of file as well.

Crush Pics is an image optimizer which helps in increasing the speed of the website. It helps in optimizing your images with industry leading algorithm. The tool also provides the feature to boost up the speed of your website by saving space and bandwidth.  

MediaCrush makes sharing media super-fast by reducing the file size, without sacrificing quality. The API losslessly compresses audios, videos, and images. They can also get 1000-3000% faster for some files!