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Bulk Image Resizer

Resize multiple images at once — set width, height, or both. Maintains aspect ratio or stretches to exact dimensions.

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Click to upload or drag and drop images here

JPEG, PNG, WebP — multiple files supported

About Bulk Image Resizer

Bulk Image Resizer is a free online image tool that lets you resize multiple images at once — set width, height, or both. maintains aspect ratio or stretches to exact dimensions without uploading files to any server. Designers, photographers, bloggers, and social media managers rely on browser-based image tools to make quick edits without launching heavy desktop software. Your images never leave your device — all processing happens locally using modern browser APIs.

How to Use

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Upload your image Click the upload area or drag and drop your image file. Supports JPEG, PNG, WebP, and other common formats.
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Adjust settings Use the available controls to adjust parameters like size, quality, format, or effect intensity.
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Preview the result See a live preview of your processed image before downloading. Make adjustments until you're satisfied.
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Download Click the Download button to save the processed image to your device in your chosen format.
🔒 Privacy note: All processing happens locally in your browser. Your data is never sent to any server.

Why Use Bulk Image Resizer?

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No Upload Required Unlike most online image tools, Bulk Image Resizer processes your images entirely in your browser. Your photos and graphics never leave your device.
Instant Processing Modern browser APIs handle image operations at near-native speed. Most operations complete in under a second, even for high-resolution images.
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Professional Quality Get results comparable to desktop software like Photoshop or GIMP, without the learning curve or price tag. Perfect for quick edits and batch operations.
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Multiple Format Support Works with JPEG, PNG, WebP, and more. Download your result in the format that best suits your needs — optimized for web, print, or social media.

Frequently Asked Questions

Fit (Contain): scales the image to fit within the target dimensions while preserving aspect ratio — may leave transparent or white areas. Fill (Cover): scales the image to cover the target dimensions while preserving aspect ratio — may crop the edges. Stretch (Exact): forces the image to exactly the target dimensions, ignoring aspect ratio.
Yes! Leave either the width or height field empty. If only width is set, the height is calculated proportionally (and vice versa). The lock icon shows the aspect ratio is being maintained. Enter both values for a specific target size.