Image Resizer

Freely adjust pixels, lock aspect ratio, convert formats, and download high-quality images with one click.

Click or drag and drop an image here

Supports PNG, JPG, WebP

Size Settings (PX)

Common Scales:

Output Settings

90%
Preview

Please upload an image to preview

How to Use the Image Resizer?

Quickly resize your images in just three simple steps.

01

Upload Your Image

"Click or drag your image file (supports PNG, JPG, WebP) into the upload area."

02

Set New Dimensions and Format

"In the settings panel on the left, enter your desired width or height. You can choose to lock the aspect ratio to prevent distortion. Then, select your preferred output format (PNG, JPG, or WebP) and adjust the quality if applicable."

03

Preview and Download

"The preview window on the right will instantly reflect the adjusted result. Once confirmed, click the "Download Image" button to save your new image."

Feature Highlights

One simple tool to meet all your image resizing needs.

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Custom Pixel Dimensions

Precisely enter the width and height pixel values you need to meet the specifications of various platforms (like social media, web banners).

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Smart Aspect Ratio Lock

Lock or unlock the aspect ratio with one click. When locked, modifying either the width or height will automatically adjust the other dimension proportionally, preventing image distortion.

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Multi-Format Conversion

Supports mutual conversion between PNG, JPG, and WebP, three mainstream image formats, allowing you to easily handle different usage scenarios.

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Quality Compression Control

When converting to JPG or WebP format, you can freely adjust the compression quality to find the perfect balance between file size and image quality.

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Real-time Effect Preview

All adjustments are reflected in real-time in the preview window on the right, allowing you to confirm the final result before downloading. What you see is what you get.

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Privacy and Security Guaranteed

All image processing is done locally in your browser. Image files are not uploaded to any server, ensuring your data privacy is fully protected.

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Frequently Asked Questions

Things you might want to know.

Is my uploaded image secure?

Absolutely. Our tool operates entirely in your browser, which means your image files never leave your computer and are not uploaded to our servers, ensuring 100% privacy.

What file formats does this tool support?

You can upload images in PNG, JPG/JPEG, and WebP formats. For output, you can also choose to save the image in any of these three formats.

What is the maximum size for resizing?

To ensure stable browser operation, we have set the maximum width and height to 8000 pixels. This is sufficient for the vast majority of high-resolution use cases.

Why can't I adjust the quality of PNG images?

PNG is a "lossless compression" format, which retains all original image data to ensure the highest quality, so there is no "quality" slider like there is for JPG or WebP. If you need a smaller file, consider converting it to WebP format.

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