Do you want to compress or resize your images before uploading them online?
Optimizing your images for your website will help your site load faster. This means the website with faster loading speeds has better search engine rankings!
Hence, here, In this post, we have handpicked the Best Bulk Image Compressor API Services for image optimization.
So, explore the list of these APIs & choose the best one that matches your expectations the most.
Bulk Image Compressor
1. MegaOptim






MegaOptim is RESTFul API and WordPress plugin for image optimization. It is carefully engineered that combines several advanced techniques to achieve state of the art image optimization.
It improves your website page load speed by optimizing all the images without noticeable quality loss. The resulting images are optimized for web & between 50% to 92% smaller than the original which instantly improves your website load speed and your SEO scores on the long term.
Features
Lossy and lossless compression | Up to 92% compression rate | WordPress plugin |
Subaccounts manager | Easily manage clients | JPG, PNG, GIF, WebP support |
Automatic compression | Windows, Linux, OSX support | Detailed statistics |
Single key multiple sites | GDPR friendly | 24/7 support |
Pricing
Free Trial - Its free trial offers 500 tokens/month using which you can explore its all features.
- Basic - $2.50/month, 2500 tokens/month
- Plus - $4.99/month, 6000 tokens/month
- Unlimited - $9.99/month, unlimited tokens/month
2. imagezap API






imagezap API is a RESTFul API for image compression. It offers features like lossless image compression, optional scaling, and many more.
Further, imagazap uses Linux tools to achieve maximum compression without losing any quality. This will typically result in a smaller file size than using desktop image applications.
Features
JPG, PNG | Automatic compression | Detailed statistics |
Reduce page load time | Image compression | Otional scaling |
Pricing
Free Trial - Using its Basic Plan, you get access for 10 requests/day at free of cost.
- Pro - $20/month, 250 requests/month
- Ultra - $80/month,1000 requests/month
3. ShortPixel






ShortPixel is an image compression API that helps reduce the size of most common image files: JPEG, PNG, and GIF.
It helps you to improve website performance by reducing the image size. Further, the resulted smaller images are no different in quality from the original one.
Features
JPG, PNG, GIF, PDF, WebP | Lossy and lossless compression | Up to 92% compression rate |
Less bandwidth usage | Quick backups | Better search ranking |
Super fast websites | Batch image optimization | WordPress plug-in |
Preserves image quality | Powerful algorithms |
Pricing
Free Trial - Not available
- ShortPixel API has not provided pricing information. To know the pricing, contact the vendor.
4. SandCage






SandCage is an image compression API. It is an image processing engine that helps reduce the storage and bandwidth needs of every application.
Do on-demand, asynchronous, on-premise transformations and compression of animated and still-frame images with SandCage.
Features
Image Processing | Animated images | Still-frame images |
CDN | Storage | Global Presence |
Pricing
Free Trial - Using its Basic Plan, you get access for 100 requests/month at free of cost.
- Pro - $5/month, 5000 requests/month
- Ultra - $20/month, 20000 requests/month
- Mega - $80/month, 100000 requests/month
5. Accusoft






Accusoft is an advanced image compression API that only supports JPG files and available in Cloud-Hosted websites.
You can compress your images and save valuable storage space with PrizmDoc's Image Compression API.
Features
Batch image optimization | Set desired quality | Remove metadata |
JPEG files | 24/7 support |
Pricing
Free Trial - Not available
- Accusoft has not provided pricing information. To know the pricing, contact the vendor.
6. Optimus






Optimus targets a lossless compression of PNG images & a slightly lossy compression of JPEG images of media uploaded to WordPress - while focusing on protecting your data.
The API slims down the original image and all preview images of an uploaded motif. In plain terms: the visual appearance of treated images does not change in any way.
Features
JPEG | PNG | HTTPS connection |
Unlimited amount of images | Progressive JPEGs |
Pricing
Free Trial - Using its Optimus Plan, you get access for 100 KB maximal file size/month at free of cost.
- Optimus HQ Pro - $149/year one-time charge, 10 MB maximal file size/month
- Optimus HQ - $29/year, one-time charge, 10 MB maximal file size/month
7. 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.
Features
CDN designed for images | Powerful & robust API | Design without constraints |
Resizing & cropping | Compression & performance | Responsive design |
Pricing
Free Trial - Not available
- Pay As You Go - $3/1000 master images accessed/month
- Volume - Starts from $500/month