Tools/Bulk Compress Images

Bulk Image Compressor

Looking to quickly adjust your image dimensions or reduce file size at scale? Our Bulk Image Compressor lets you optimize multiple images at once while preserving sharpness and high visual quality. It’s ideal for websites, emails, and app-ready assets. Need even more control? Sign up with Cloudinary to seamlessly streamline, automate, and scale your entire image delivery workflow.

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Free Bulk Image Compression

Effortlessly compress your images online in just a few clicks. No software or plugins needed—simply upload your files and instantly get optimized, high-quality images with reduced file size and preserved visual quality.

Why Compress Images with Our Bulk Image Compressor?

Securely resize and compress images online—without ads—using our Bulk Image Compressor, or tap into our API to ensure consistent, reliable optimization and scaling across all your projects.

Beyond Compressing Images

Go further than reducing image size. With AI-powered tools like Generative Fill, Object Removal, and Replace, you can seamlessly edit and customize images — unlocking new levels of creativity and flexibility in content creation.

Image Enhancement

From 3D animations and interactive product displays to real-time filtering, Cloudinary’s API offers powerful image enhancement capabilities. Developers can effortlessly refresh older images and make them look stunning again.

Performance Optimization

Images are always delivered in the best quality and format for each user’s device, browser, and connection. Whether it’s JPG, PNG, HEIC, or another format, our system automatically selects the most efficient option for peak performance.

Batch resize images

Quickly bulk resize image files in seconds, or use our free API to automate your image resizing workflow with ease!

Workflow Automation

Set up preset configurations to save time and streamline your process. Files are automatically resized, transformed, and ready for delivery immediately after upload.

Image Formats Versatility

Expand your image workflow with support for next-gen formats like WebP, JXL, and AVIF. These advanced options deliver the perfect balance of quality and efficiency for all your visual assets.

How to Compress Images

Quickly compress image files in bulk with our batch image compression tool, or join Cloudinary to seamlessly optimize and manage thousands of assets at scale.

Add your images

Drag and drop your images into the browser, or simply upload them in seconds.

Start Resizing

Begin enhancing your images by reducing their size with smart resizing.

Download resized images

Once the resizing is complete, download your optimized images, each efficiently reduced in size while maintaining quality.

Explore Beyond Bulk Compressing Images

A woman and a golden retriever in the mountains. They're sitting, facing away from the camera while the dog noses the woman. They're surrounded by natural splendor including majestic mountains, puffy clouds, and evergreen-studded hills.
An un-cropped image overlaid with a cropping window showing how it would be cropped by Cloudinary.
An arrow pointing from the original asset to the cropped asset
A woman and a golden retriever in the mountains. They're sitting, facing away from the camera while the dog noses the woman. They're surrounded by natural splendor including majestic mountains, puffy clouds, and evergreen-studded hills.
The same asset cropped using the following settings: Aspect Ratio: 1:2. Crop Mode: Content-Aware.
Images
Videos
Crop Mode
Aspect Ratio
Original
18 MB

We’re showing a resized version of the original asset to avoid slow loading speeds. View the original.

The original asset:
JPEG
135 KB
WebP
135 KB
AVIF
90 KB
JPEG XL
94 KB
The image after being optimized using the following settings: Quality: Auto. Width: 1000px.
Original
18 MB

We’re showing a resized version of the original asset to avoid slow loading speeds. View the original.

The original asset:
JPEG
135 KB
WebP
135 KB
AVIF
90 KB
JPEG XL
94 KB
The image after being optimized using the following settings: Quality: Auto. Width: 1000px.
Images
Videos
Quality
Width
An un-cropped image overlaid with a croppingai window showing how it would be cropped by Cloudinary.
An arrow pointing from the original asset to the cropped asset
The same asset cropped using the following settings: Aspect Ratio: 1:1. Crop Mode: Content-Aware.
Images
Videos
Crop Mode
Aspect Ratio
The original image:
An arrow pointing from the original asset to the transformed asset.
The personalized image:
The original image:
The personalized image:
Product Photos
Backgrounds
Overlays
Duration
Full length video: Surfing Trip
An arrow pointing from the original video to the AI-generated preview.
Duration
A shorter video preview generated by Cloudinary's AI using the following settings: Duration: 15 seconds. Max Clips: 9. Min Clip Length: 1 second.
Videos
Duration
Max Clips
Min Clip Length

Frequent Asked Questions:

With Cloudinary’s Bulk Image Compressor, you can resize and compress image files directly in your browser while preserving clarity. Simply upload your assets, and the platform intelligently optimizes dimensions and file size using smart settings like f_auto and q_auto, ensuring sharp detail and efficient compression across all images.

Absolutely. Cloudinary’s powerful API enables bulk image resizing and compression at scale through its Bulk Image Compressor capabilities. You can define transformations, set size constraints, and trigger automatic optimization during upload—making it ideal for applications managing large image libraries, user-generated content, or e-commerce catalogs.

Resizing can affect an image’s appearance if dimensions or compression levels are significantly reduced, but Cloudinary’s Bulk Image Compressor minimizes this impact through perceptual optimization. It analyzes textures, edges, and visual detail to deliver clean, natural-looking results—even after large-scale resizing. For pixel-perfect requirements, you can also choose formats like PNG or lossless WebP/AVIF.

Yes. Cloudinary allows you to batch resize images either through the web interface or via API automation. This is especially useful for teams handling product galleries, marketing assets, or bulk uploads where consistent sizing and formatting are essential.

Cloudinary supports all major and next-gen formats, including JPG, PNG, WebP, AVIF, HEIC, and JPEG XL. When you compress image files, Cloudinary automatically selects the most efficient format for each user’s device and browser, ensuring fast delivery and optimal performance.