Image Resizer & Compressor

Resize and compress images online. Adjust dimensions and reduce file size while maintaining quality.

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5,236+

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 Image Resizer & Compressor processes input data instantly inside your browser.

Sample Input Birth date: Jan 15, 1995, Target date: Oct 20, 2023

Computed Result Chronological Age: 28 Years, 9 Months, 5 Days (10,505 days elapsed)

Execution Mode Client-Side In-Browser JS

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About This Tool

This free online tool allows you to resize and compress images quickly and easily. Upload any image (JPG, PNG, GIF, WebP) and adjust the dimensions by percentage, specific width/height, or preset sizes. Compress the image to reduce file size for faster loading times and better storage efficiency. The tool processes images entirely in your browser - no data is sent to servers, ensuring complete privacy. Perfect for optimizing images for websites, social media, email attachments, or storage.

Save your calculation history with a free account

How to Use

Click the upload area or drag & drop an image file
Adjust resize settings: choose percentage, dimensions, or preset
Set compression quality (1-
Click 'Process Image' to resize and compress
Download the optimized image or process another

Frequently Asked Questions

Find Quick Answers

What image formats are supported?

The tool supports JPG, PNG, GIF, and WebP formats for both input and output.

Does the tool send my images to a server?

No, all processing happens entirely in your browser using JavaScript. Your images never leave your device, ensuring complete privacy.

What's the maximum image size I can process?

There's no strict limit, but very large images (over 50MB) may cause browser performance issues. The tool works best with images under 20MB.

Can I maintain the original aspect ratio when resizing?

Yes, by default the 'Maintain aspect ratio' option is enabled. When you change width or height, the other dimension automatically adjusts to keep the original proportions.

What compression quality should I use?

For web use, 70-85 provides good quality with significant size reduction. For print or archival, use 90-100. Lower values (1-50) create smaller files but reduce quality noticeably.

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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