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 Reduce Image Size API Services for image optimization.
So, explore the list of these APIs & choose the best one that matches your expectations the most.
Reduce Image Size API
1. 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.
Features
Borders & effects | Image filters | Image resizing, fit & alignment |
Watermarks | Images to ASCII | URL screenshots |
Collage creation | Multiple programming languages | Third party integrations |
Pricing
Free Trial - Using its Free plan, you get freedom for 100 file uploads/month, 1GB bandwidth,10MB max file size, 0.5GB storage at free of cost.
- Start - Pay $49/month for 8000 uploads, 25,000 transformation, 50GB band width, 250MB max file size, 20GB storage.
- Grow - Pay $149/month for 40,000 uploads, 150,000 transformation, 200GB bandwidth, 2GB max file size, 150GB storage.
- Scale - Pay $299/month for 100,000 uploads, 300,000 transformation, 400GB bandwidth, 5GB max file size, 350GB storage.
- Pro - Its cost starts from $499/month, customized features
2. 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.
Features
Image compression code | Convert PDF files to tiff files | Image smoothing |
Appending multiple images into a tif file |
Pricing
Free Trial - Not available
- Coderanch has not provided pricing information. To know the pricing, contact the vendor.
3. 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.
Features
Color management | Command-line processing | Transparency |
Encipher or decipher an image | Format conversion | Generalized pixel distortion |
Image gradients | Image identification | Animation effects |
Delineate image features |
Pricing
Free Trial - Not available
- You can freely download it from its official website according to your device version.
4. 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.
Features
HTTP responses | Image uploads | Image filters |
Image cache | URL manipulation |
Pricing
Free Trial - This is an open source library of image compression APIs
- It provides a free source of PHP's GD library extension to process all images.
5. NPM






NPM is actively developed & maintained for gulp-tinypng-compress.
It is a tinyPNG API wrapper for compressing PNG & JPG images.
Features
Unlimited public & private packages | Package-based permissions | Compress PNG & JPG images |
File signature checking |
Pricing
Free Trial - It offers unlimited public packages freely for public authors
- Pro - $7/month for individual creators
- Teams - $7/month for teams & organizations
- Enterprise - It pricing is starts from $10k/month
6. 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.
Features
Same API for JPEG & PNG images. | Upload directly or provide a URL to the image. | Preserve metadata. |
Amazon S3 and Google Cloud Storage | Perfect image resizing. | Area of interest detection. |
Cut out image detection. |
Pricing
Free Trial - You will get 500 free compressions each month in a free account.
- Yearly Subscription - $25/year, 1 user, 20 images/slot
First 500 compressions are free for each month. You will only be charged if you compress more than 500 images.
7. 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.
Features
Lossy and lossless compression | Upload rate limit | Responsive images |
JPEG/JPG, BMP, GIF, PNG support | Automatic compression |
Pricing
Free Trial - Not available- You can use this API for absolutely free.