How can I resize multiple images at once?

Select multiple images, enter the desired dimensions, optionally lock the aspect ratio and click Resize All Images. The selected images are processed together in your browser.

Can I resize JPG and PNG images in bulk?

Yes. You can select multiple JPG, JPEG, PNG and other browser-supported image files and resize them together.

Can I set a custom width and height?

Yes. Enter the exact width and height in pixels using the width and height fields.

Can I preserve the original aspect ratio?

Yes. Enable Lock aspect ratio to preserve the original proportions of each image while resizing.

Can I resize images by percentage?

Yes. The tool provides quick resize presets for 25%, 50%, 75% and 100%.

Are my images uploaded to a server?

No. Image processing is performed directly inside your browser and images do not need to be uploaded to our server.

Can I resize WebP and AVIF images?

Yes. WebP and AVIF can be processed when supported by your browser.

Can I download all resized images together?

Yes. After resizing, use the Download All option to download the complete batch as a ZIP file.

Is the bulk image resizer free?

Yes. The bulk image resizer is free to use online without requiring registration.

Free Bulk Image Resizer

Bulk Image Resizer

Resize multiple images online at once with custom dimensions, aspect ratio control and quick resize presets. Process your images directly in your browser without uploading them to a server.

Multiple Images Custom Dimensions Aspect Ratio Control ZIP Download No Upload No Watermark

Images Resized

Live

Drag & drop your images

JPG, JPEG, PNG, WebP, GIF, BMP, AVIF and other browser-supported images

Width

Height

Lock aspect ratio Keep each image's original proportions

JPEG / WebP Quality

Used when supported by the image format

90%

Quick resize

Resize images based on their original dimensions.

Selected images

0 images

Your images are processed locally in your browser. No images are uploaded to our server.

Free Online Tool

Resize multiple images online in seconds

Resizing images one at a time can be slow when you have dozens of photos to prepare. Our bulk image resizer lets you select multiple images and resize them together using custom pixel dimensions or convenient percentage presets.

Whether you are preparing images for a website, online store, social media, email, blog posts or documents, you can quickly change the dimensions of multiple images without installing desktop software.

The tool is designed around browser-based processing. Your selected images can be processed locally on your device, making the workflow convenient when you do not want to upload private photos or files to an external server.

Features

Everything you need for bulk image resizing

Resize, prepare and download multiple images using one simple browser-based tool.

Bulk processing

Select multiple images and resize them together instead of processing every image individually.

Custom dimensions

Enter exact width and height values in pixels to create the image dimensions you need.

Aspect ratio control

Lock the original aspect ratio to help prevent stretched or distorted images.

Quick resize presets

Resize images to 25%, 50%, 75% or 100% of their original dimensions with a single click.

Quality control

Adjust JPEG and WebP quality when supported by the selected image format.

ZIP download

Download the complete batch together as a convenient ZIP file after processing.

No server upload

Your selected images are processed directly in your browser without uploading them to our server.

No watermark

Resize your images without adding unwanted branding or watermarks to your files.

Works in your browser

Use the tool on modern desktop and mobile browsers without installing additional software.

How It Works

How to resize multiple images

Resize your entire image batch in a few simple steps.

Select your images

Drag and drop multiple images into the tool or use Browse your files to select them from your device.

Set dimensions

Enter your desired width and height or use one of the quick percentage resize presets.

Resize and download

Click Resize All Images and then download individual results or the complete batch as a ZIP file.

Supported Images

Resize common image formats

Select common image formats supported by your browser and resize them together in a single batch.

JPG

JPEG images

JPEG

JPEG photos

PNG

PNG graphics

WebP

WebP images

GIF

GIF images

BMP

BMP images

AVIF

AVIF images

Actual format support depends on the image decoding and canvas capabilities available in your browser.

Use Cases

What can you use a bulk image resizer for?

Quickly prepare image collections for different online and offline projects.

Website images

Resize large photos before adding them to websites, landing pages and content management systems.

Social media

Prepare multiple photos with consistent dimensions for social media posts and visual content.

E-commerce products

Create consistent product image dimensions for online stores and product catalogs.

Blog images

Resize blog images to appropriate dimensions before publishing articles and tutorials.

Email attachments

Reduce image dimensions before attaching photos to emails or sharing them with other people.

Photography workflows

Quickly prepare batches of photos for websites, presentations, documents and online publishing.

Why Use It?

A faster way to resize image collections

When you have many images that need the same dimensions, manually opening and resizing each file can take unnecessary time. Bulk processing makes repetitive image preparation much easier.

Choose exact dimensions when consistency matters, or use percentage presets when you simply want to scale a collection of images down quickly.

Select

Choose multiple images at once.

Resize

Set dimensions or percentage.

Process

Resize everything in your browser.

Download

Save individual files or ZIP.

Your images stay in your browser

The bulk image resizer is designed for local browser processing. Your images do not need to be uploaded to our server to resize them. This makes the tool convenient for private photos, documents and other personal image files.

No upload No registration No watermark Browser based

More Image Tools

More tools for working with images

Use other image tools when you need to compress, convert or resize individual files.