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Image Resizer and Resolution

Free online tool to resize images and adjust resolution. Upload any image and customize dimensions, format, and quality instantly.

Request Feature / Support
5,728+
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 and Resolution 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 Image Resizer & Resolution Tool allows you to quickly resize images to any dimensions while maintaining aspect ratio or cropping as needed. Upload JPEG, PNG, GIF, or WebP images and adjust width, height, resolution (DPI), output format, and quality settings. The tool processes images entirely in your browser for privacy and speed, providing instant previews and downloadable results. Perfect for optimizing images for websites, social media, documents, or printing.
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How to Use

  1. Upload an image by clicking the upload area or dragging and dropping
  2. Set desired width and height (toggle aspect ratio lock if needed)
  3. Choose output format (JPEG, PNG, WebP) and quality level
  4. Optionally adjust resolution (DPI) for print purposes
  5. Click 'Resize Image' to process
  6. Preview the resized image and download the result
How to use image resizer and resolution

Frequently Asked Questions

Find Quick Answers

What image formats are supported?
The tool supports JPEG, PNG, GIF, and WebP formats for input. Output formats include JPEG, PNG, and WebP.
Is there a file size limit?
No strict limit, but very large images may process slower depending on your device's memory and browser capabilities.
Are my images uploaded to a server?
No, all processing happens entirely in your browser using JavaScript. Your images never leave your device.
Can I maintain aspect ratio while resizing?
Yes, by default the aspect ratio is locked. Uncheck the 'Maintain Aspect Ratio' option to set independent width and height.
What does the resolution (DPI) setting do?
DPI (dots per inch) affects the print size of the image. Changing DPI doesn't change pixel dimensions but sets metadata for printing.

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