PDFShift

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

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 (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.

Crush Pics

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.  

Aspose.Total for Java

Aspose.Total for Java is a collection of file format APIs made for Java developers, enabling them to edit, convert, print, render and create from a wide range of popular document formats from within any Java J2SE, J2EE, J2ME applications. Manipulate Word, Excel, PDF, PowerPoint, Outlook, 3D, CAD and more than 100 other file formats from …

MediaCrush

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!  

Cloudflare

Cloudflare API programmatically controls over every image request. Cloudflare image resizing allows several on-demand adjustments to images such as resizing, adjusting quality, and converting images to WebP format.  

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.  

Filestack

Filestack offers powerful APIs that allow you to upload, transform and distribute any file in your app. It provides your customers the power to easily transform, convert and optimize images or apply beautiful effects and filters to any image.  

Coderanch

Coderanch provides a common API to compress the images of PNG format. It provides a common API to read & write image data for PNG formats. This API compresses image size and improve site performance.  

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.  

Intervention Image

Intervention Image is an open-source PHP image handling and manipulation library with Laravel integration. This provides an easier and expressive way to create, edit, and compose images. It supports the two most common image processing libraries called GD Library and Imagick.  

NPM

NPM is actively developed & maintained for gulp-tinypng-compress. It is a tinyPNG API wrapper for compressing PNG & JPG images.  

imgix

Serve your images faster with imgix’s powerful API and CDN. It transforms, optimizes, and intelligently caches your entire image library for fast websites and apps using simple and robust URL parameters. It solves the context problem by making all of your images responsive and enabling on-the-fly manipulation while improving delivery speed.  

Kraken.io

Kraken.io is an image optimization & compression API. It supports JPEG, PNG, GIF (including animated GIFs) and SVG images. You can optimize your images in two ways – by providing a URL of the image you want to optimize or by uploading an image file directly to Kraken.io API.  

reSmush.it

reSmush.it provides a FREE optimization of pictures, for the most standard filetypes (PNG, JPG, GIF, BMP, and TIF). Further, it allows reductions until 80% by using different algorithms like PNGQuant, JPEGOptim, and OptiPNG.  

ImageOptim

ImageOptim API is a web service for image compression that helps you to easily resize and optimize images on your server. Further, this API can generate images specifically tuned for high-DPI screens and “compressive” images.  

Imagify

Imagify API helps you to automatically optimize and compress images. With lighter images, you will gain in speed, user experience and even in SEO. Besides this, it also allows you to restore your media in their original versions when you need to.