MegaTooler

Image Resizer

Resize images to specific dimensions while maintaining quality. Perfect for social media and web use.

Upload Image
Select an image to resize

Choose image file

JPG, PNG, WebP, GIF supported

Social Media Sizes
Instagram
Square: 1080×1080
Story: 1080×1920
Reel: 1080×1920
Facebook
Cover: 1200×630
Post: 1200×630
Twitter / X
Header: 1500×500
Post: 1200×675
YouTube
Thumbnail: 1280×720
Channel Art: 2560×1440
Features
  • Maintain aspect ratio
  • Social media presets
  • Custom dimensions
  • High-quality output
  • Fast processing
  • Privacy focused (client-side)
Free Online Image Resizer

Welcome to MegaTooler's Free Online Image Resizer – the easiest way to resize your photos and images for any purpose. Whether you need to adjust dimensions for social media, optimize images for your website, or simply reduce file dimensions, our tool handles it all instantly in your browser.

Unlike other tools that upload your files to a server, our image resizer processes everything locally on your device. This means your photos remain 100% private and secure. No waiting for uploads, no file size limits, and no quality loss.

Why Use Our Image Resizer?

Fast & Secure

Processing happens instantly in your browser. Your images never leave your device, ensuring complete privacy.

Social Media Ready

Includes pre-set dimensions for Instagram, Facebook, Twitter, YouTube, and LinkedIn to ensure your posts look perfect.

High Quality

We use advanced resampling algorithms to ensure your resized images look sharp and clear, even when changing sizes significantly.

Easy to Use

Simple interface with drag-and-drop support. Maintain aspect ratio automatically or set custom dimensions as needed.

How to Resize Images
  1. Upload your image: Drag and drop your file or click to select from your device.
  2. Choose dimensions: Enter your desired width and height, or select a social media preset.
  3. Adjust settings: Toggle "Maintain aspect ratio" to keep image proportions correct.
  4. Resize & Download: Click the "Resize Image" button, preview the result, and download your new image.

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Frequently Asked Questions
Everything you need to know about using our Image Resizer tool effectively
Is this image resizer free to use?
Yes, our image resizer tool is 100% free to use. You can resize as many images as you want without any hidden costs or subscriptions.
Does resizing reduce image quality?
We use advanced algorithms to maintain the highest possible quality when resizing your images. However, significantly increasing an image's size (upscaling) may result in some pixelation.
What image formats do you support?
We support all major image formats including JPG, PNG, WebP, and GIF. You can upload any of these formats to resize them.
Is my data secure?
Absolutely. All image processing happens directly in your browser. Your images are never uploaded to our servers, ensuring complete privacy and security.
Can I resize images for social media?
Yes! We have built-in presets for all major social media platforms including Instagram, Facebook, Twitter, YouTube, and LinkedIn. Just select the platform and we'll set the correct dimensions for you.
How do I maintain the aspect ratio?
The 'Maintain aspect ratio' option is checked by default. This ensures your image doesn't look stretched or squashed. When you change the width, the height adjusts automatically (and vice versa).