Bulk Image Resizer

Bulk Image Resizer

Resize multiple JPG, PNG, WEBP images at once. Apply exact dimensions or percentage.

Max file size: 10MB per image

Resize Settings

By Size
As Percentage
Social Media
If locked, entering one value calculates the other per image automatically.
Make images smaller or larger by percentage.
Fills empty space with white if proportions don't match.

Export Settings

Uploaded Images

How to Use Bulk Image Resizer?

1. Upload Images

Drag and drop your images into the box, click to choose files from your device, or simply paste them using Ctrl+V.

2. Set Dimensions

Enter your target width and height, or select a percentage reduction. Keep “Maintain Aspect Ratio” checked to avoid distortion.

3. Download All

The tool instantly resizes your entire batch. Download your newly resized images individually or all together in a single ZIP file.

Why Use Our Bulk Resizer?

Lightning Fast Automation

Stop resizing pictures one by one. Drop your entire folder into the workspace and let our batch processor handle dozens of files simultaneously, saving you hours.

Multi-Format Friendly

No need to sort your gallery first. You can mix JPGs, PNGs, and WebP images in the exact same upload queue and scale them all at once seamlessly.

One-Click ZIP Archive

Keep your workspace perfectly organized. Once the batch resizing is complete, pack all your optimized graphics into a single, clean downloadable ZIP folder.

Frequently Asked Questions

A Bulk Image Resizer is a free online tool that lets you change the width and height of multiple images simultaneously. Instead of wasting time resizing photos one by one, you can upload dozens of files and adjust them all in a single click, saving you immense effort.

Our tool supports all widely used image formats, including JPG, JPEG, PNG, WebP, SVG, and BMP. You can even mix and match different formats in the same batch and process them together seamlessly.

Aspect ratio is the proportional relationship between an image’s width and height. Keeping this option checked ensures your photos do not look stretched, squished, or unnaturally distorted. When you change the width, the tool automatically calculates the correct height for you.

Shrinking or reducing your image size will keep the quality sharp and crisp. However, if you try to upscale a small image into a much larger one, it may look pixelated or blurry because the tool has to stretch the original pixels. For optimal results, always start with high-resolution source files.

Yes, absolutely! Our tool offers two flexible options: you can either type in precise pixel values (e.g., 800×600) or use a percentage scale (e.g., reducing all uploaded images to exactly 50% of their original size). This is incredibly useful for uniform batch processing.

There are no hard limits or caps on usage. However, because this tool processes files inside your browser using your device’s memory, uploading hundreds of massive files simultaneously might slow things down. For a flawless experience, we recommend batches of 30 to 50 images at a time.

Yes, 100%. Privacy is our top priority. This tool operates entirely client-side, meaning your images are handled locally in your device’s browser memory. They are never uploaded, transferred, or stored on any external servers, keeping your personal files completely private.

No, your transparency settings are fully safe. If you upload a PNG or WebP image with a clear, transparent background, our resizer accurately copies that alpha layer. Your background remains transparent without any awkward solid white or black boxes added to it.

No, this utility platform is completely free for everyone. There are no registrations, no subscription forms, no premium tiers, and absolutely no hidden watermarks stamped onto your final images.

Once the processing finishes, you have two simple choices: you can download your resized photos individually one by one, or click the ‘Download All’ button to package the entire batch into a single, highly organized ZIP file instantly.

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