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Free Image Resizer

Resize images to exact dimensions for your online store. Supports bulk resizing with presets for all major ecommerce platforms.

100% Free
No Signup
Private & Secure
Instant Download

Upload Images

Drop your images here

or click to browse

JPEG, PNG, WebP -- up to 10 files

Thumbnail

x px --

Platform Presets

Resize Settings

Aspect ratio is locked -- changing one dimension auto-calculates the other. Aspect ratio is unlocked -- image may stretch.

Smaller file Better quality

Actions

Or download individually:

Original

Upload an image to see the preview

Original preview

Resized

Resized preview
Size change:

How to Use This Tool

Resize your images to perfect dimensions in a few simple steps.

1

Upload Your Image

Drag and drop your image into the upload zone or click to browse your files. Supports JPEG, PNG, and WebP formats.

2

Choose Dimensions

Pick a platform preset for instant sizing, enter custom dimensions, or use percentage-based quick resize buttons.

3

Adjust Settings

Toggle aspect ratio lock, choose your output format (JPEG, PNG, WebP), and fine-tune the JPEG quality slider.

4

Resize & Preview

Click the resize button to process your image. Compare the original and resized versions side by side with file size info.

5

Download

Download your resized image instantly. In batch mode, download all images individually or as a single ZIP file.

6

Batch Processing

Switch to Batch Mode to upload up to 10 images at once. Apply the same resize settings to all and download them together.

Frequently Asked Questions

Common questions about our Image Resizer.

Different ecommerce platforms have different recommended image sizes. Shopify recommends 2048x2048 pixels for product images, Amazon requires a minimum of 1000 pixels on the longest side (2000x2000 recommended), eBay suggests 1600x1600, and Etsy recommends 2000x2000. For social media, Instagram posts work best at 1080x1080, Instagram Stories at 1080x1920, Facebook posts at 1200x630, and Pinterest pins at 1000x1500. This tool includes quick presets for all major platforms so you can resize with a single click.
Resizing can affect image quality depending on the direction and method. Scaling down (making images smaller) generally preserves quality well because pixels are being combined. Scaling up (making images larger) can introduce blurriness because new pixels must be interpolated. This tool uses the browser Canvas API with high-quality bicubic interpolation for the best possible results. For JPEG output, you can control the quality slider (10-100) to balance file size and visual fidelity. For lossless output, use PNG format.
This tool accepts JPEG, PNG, and WebP images for upload. You can also choose your output format independently — export as JPEG for smaller file sizes ideal for web and ecommerce, PNG for lossless quality with transparency support, or WebP for modern browsers with excellent compression. The format selector lets you convert between formats during the resize process, so you can upload a PNG and download a compressed JPEG, for example.
Yes, the batch mode allows you to upload up to 10 images at once and apply the same resize settings to all of them. You can set your target dimensions or choose a platform preset, then process all images in one go. Each resized image can be downloaded individually, or you can download all of them as a ZIP file for convenience. This is particularly useful when preparing product images for an ecommerce store where consistency matters.
Yes, this image resizer is 100% free with no usage limits, no watermarks, and no registration required. You can resize as many images as you need at any dimensions. There are no premium tiers or hidden restrictions. The tool runs entirely in your browser, so there are no server costs associated with processing your images.
No, your images are never uploaded to any server. This tool runs entirely in your web browser using client-side JavaScript and the HTML5 Canvas API. Your images are processed locally on your device and never leave your computer. This means your product photos, brand assets, and any sensitive images remain completely private and secure. The tool works offline once the page is loaded.
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