Image Resizer Tool
Resize your images quickly and easily with Toolnex AI's advanced technology. Adjust dimensions, maintain aspect ratio, and optimize for any platform.
Image Resizer Toolnex AI
Toolnex AI's advanced image resizer helps you change image dimensions with precision. Perfect for social media, web optimization, and printing — all with live preview and full control.
Resize Image
Upload an image to get started
Adjust dimensions and see the result in real-time
- 🔒 100% private — browser only
- ⚡ Resize in seconds
- 📱 Works on mobile & desktop
- 🎨 Aspect ratio lock
- 🆓 100% Free
- ⬇️ One-click download
Upload Image
Click the upload button or drag your image file (JPG, PNG, GIF, WebP).
Set Dimensions
Enter width and height in pixels or use the sliders. Toggle aspect ratio lock.
Choose Settings
Select output format, adjust quality, and pick a resize algorithm.
Resize & Save
Click "Resize" to apply changes, then download your resized image.
What is Image Resizing?
Image resizing is the process of changing the dimensions of an image — making it larger or smaller while preserving quality. Whether you need to optimize images for web, prepare them for social media, or adjust them for printing, resizing is an essential tool.
Toolnex AI's image resizer gives you full control over dimensions, aspect ratio, quality, and format — all processed directly in your browser for complete privacy.
Resizing Use Cases
Why Use Toolnex AI Resizer?
Completely Free
No hidden charges, no subscription.
100% Private
All processing happens in your browser. No uploads.
Fast & Efficient
Resize images in seconds with real-time progress.
Precision Control
Fine-tune dimensions, quality, and algorithm.
Works Everywhere
Fully responsive — desktop, tablet, and mobile.
Quality Preserved
High-quality resizing with multiple algorithm options.
Features of Our Resizer
Drag & Drop Upload
Simply drag your image into the upload area.
Dimension Controls
Set width and height with number inputs or sliders.
Aspect Ratio Lock
Toggle to maintain proportions and prevent distortion.
Multiple Formats
Export as JPEG, PNG, WebP, or keep the original format.
Quality Control
Adjust quality from 1% to 100% with preset options.
One-Click Download
Download your resized image with a single click.
Who Can Use This Tool?
Web Developers
Optimize images for websites and web apps.
Graphic Designers
Prepare images for design projects.
Photographers
Resize photos for portfolios and social media.
Content Creators
Create thumbnails, banners, and graphics.
E-Commerce
Resize product images for online stores.
Students
Learn about image processing techniques.
Explore Related Image Tools
Frequently Asked Questions
Yes, our image resizer is 100% free with no hidden fees, subscription plans, or premium tiers.
Absolutely. All processing happens entirely inside your browser. Your images are never uploaded to any server.
"High Quality" is best for photographs. "Pixelated" preserves blocky edges for pixel art. "Crisp Edges" maintains sharpness for PNGs with text.
Yes! The tool is fully responsive and works seamlessly on smartphones, tablets, and desktops.
No account or sign-in is needed. Just open the page, upload your image, adjust settings, and resize.
The tool supports images up to 5MB. For best performance, we recommend files under 5MB.
Resizing can affect quality depending on the algorithm and settings used. Our tool offers high-quality options to give you the best possible results.