DeveloperHub.io

DeveloperHub is a documentation API to manage your resources programmatically. With this, you can create hosted documentation portals for product and API docs  

labstack

It is an image & video API converter that convert webpage to an image (screenshot) and PDF labstack is an online API converter that provides fast, reliable and highly configurable screenshot as a service  

ConvertAPI

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.  

HTML 2 PDF Rocket

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

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 It allows developers to generate PDFs at low costs without the hassle of wasting time on implementing outdated and expensive 3rd party libraries/software on your own managed server.  

Image Compressors (API)

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.

HTMLCanvasElement

HTMLCanvasElement is an evolving learning platform for web technologies & software. This API offers an HTML canvas element to represent the images in a contained canvas.  

ImageMagick

ImageMagick is a free software to create, edit, compose, or convert bitmap images. It read, process, or write Mega, Giga, or Tera-pixel of images and utilizes multiple computational threads to increase the performance of the website.  

EWWW Image Optimizer

The EWWW Image Optimizer will help in increasing your page speeds by providing image optimization. Many people who have a website are frustrated by the slow load of images. The software helps you speed up your website to better engage your customers.  

KeyCDN – User Agent String

When analyzing the KeyCDN logs, there is also the ability to display the user agent string which may be beneficial for debugging purposes. The user agent string is an important aspect of the web as it identifies many various software components and delivers them to the webserver for optimal HTTP responses.  

WhoIsHostingThis

WhoIsHostingThis is a user agent API that reveal a catalog of technical data about the device and software that the visitor is using. It helps you to discover which web hosting any website uses, plus DNS records, whois information, server location and more.