Tools/Resize Image

Resize Image

Looking to quickly adjust your image’s dimensions or file size? Our lightning-fast resize image tool helps you optimize visuals while keeping them sharp and high-quality. It’s great for websites, emails, or preparing assets for apps. Want even more control? Sign up with Cloudinary to effortlessly streamline and scale your entire image delivery workflow.

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Resize Image for Free

Effortlessly resize your image online in just a few clicks. No software or plugins needed—simply upload your file and get an optimized, high-quality resized image instantly.

Why Resize Image with Our Solution?

Securely resize image online without ads, and tap into our API to ensure consistent, reliable scaling across all your projects.

Beyond Resizing Image

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 Resize Images

Quickly resize image files with ease, 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 Resizing 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

FAQ:

With Cloudinary, you can resize image files directly in your browser while preserving clarity. Simply upload your asset, and the platform intelligently adjusts dimensions and compression using smart settings like f_auto and q_auto to maintain sharp detail while reducing file size.

Absolutely. Cloudinary’s powerful API lets you programmatically resize image assets at scale. You can define transformations, set size constraints, and trigger resizing automatically during upload—perfect for applications handling large libraries, user-generated content, or e-commerce catalogs.

Resizing can change an image’s appearance if dimensions or compression are heavily reduced, but Cloudinary minimizes this impact through perceptual optimization. It analyzes textures, edges, and visual detail to deliver results that look clean and natural, even after significant resizing. For pixel-perfect needs, you can 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 resize image files, Cloudinary automatically selects the most efficient format for each user’s device and browser, ensuring fast delivery and optimal performance.