Bulk Image Resizer
When resizing images one by one feels slow, this tool helps you bring
everything
into order — quickly, calmly, and in one place.
Resize multiple images by dimension or percentage
How Bulk Image Resizing Works
A simple flow that turns a pile of images into perfectly sized results
Gather Your Images
Drop all your images into the tool at once. They appear instantly, each one showing its original size — ready for the next step.
Set the Direction
Decide how your images should change. Resize by exact dimensions or gently scale them by percentage, while keeping their natural proportions intact.
Let the Work Finish
Click Resize All and watch the transformation happen. When it’s done, your resized images are ready to download — individually or together as a ZIP.
Built for Moments When Speed Matters
Pixellize Bulk Image Resizer was created for those everyday moments when image sizes don’t match your needs and time is limited.
Everything happens directly in your browser, keeping the process fast, focused, and completely under your control.
What This Tool Helps You Do
Thoughtful features designed to remove friction from bulk image resizing
Handle Images Together
Resize entire batches at once instead of repeating the same task over and over.
Control Size with Precision
Use exact pixel values or scale images evenly using percentages.
Keep Images Looking Natural
Preserve original proportions so every image keeps its intended shape.
Adjust Formats Along the Way
Keep the original format or switch to JPG, PNG, or WebP as part of resizing.
Take Everything with You
Download resized images individually or collect them together in a ZIP.
Stay in Control
All processing happens locally in your browser — your images remain yours.
Frequently Asked Questions
Clear answers to common questions about resizing images in bulk
Do I need to create an account to use this tool?
No account is needed. You can begin resizing images right away, without registration or sign-in steps.
What happens to my images during resizing?
Your images are processed directly in your browser. They are not uploaded, stored, or shared anywhere else.
Can I resize images by percentage instead of fixed size?
Yes. You can resize images using exact width or height values, or scale them evenly by percentage while keeping their original proportions.
Which image formats work with this tool?
The tool supports widely used image formats such as JPG, PNG, and WebP. You can keep the original format or change it during the resizing process.
How can I download the resized images?
Once resizing is complete, images can be downloaded one by one or collected together in a ZIP file for convenience.