PNG File Resizer

Resize PNG images online with transparency support. Adjust dimensions by percentage, pixels, or custom values.

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7,588+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how PNG File Resizer processes input data instantly inside your browser.

Sample Input Image dimensions: 4000 x 3000 pixels (File size: 5MB PNG)

Computed Result Output WebP Image: 1920 x 1440 pixels (File size: 350KB, 88% reduction)

Execution Mode Client-Side In-Browser JS

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About This Tool

This PNG File Resizer tool allows you to easily resize PNG images while maintaining their transparency and quality. Upload any PNG file and resize it by percentage (25%, 50%, 75%), common dimensions (800×600, 1024×768, 1920×1080), or custom width and height. The tool processes images entirely in your browser for privacy and speed. Perfect for optimizing PNG images for websites, social media, or documents.

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How to Use

Click the upload area or drag & drop a PNG file
Select resize method: percentage, dimensions, or custom
Choose your desired output size
Click 'Resize PNG' to process the image
Download the resized PNG file or copy it to clipboard

Frequently Asked Questions

Find Quick Answers

Does this tool preserve PNG transparency?

Yes, the PNG File Resizer maintains alpha channel transparency during the resizing process.

What is the maximum file size I can resize?

The tool can handle PNG files up to 20MB in size. Larger files may cause browser performance issues.

Is my image data secure?

All processing happens locally in your browser. No images are uploaded to any server, ensuring complete privacy.

Can I resize multiple PNG files at once?

Currently, the tool processes one PNG file at a time for optimal performance and user experience.

What output formats are supported?

The tool outputs PNG format only, preserving the original PNG characteristics including transparency.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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