Resize Image Online
Resize images online in seconds while preserving quality for websites, social media, documents, and every digital project.
How to Resize an Image Online for Free
Step 1
Upload Your Image
Step 1. Select or drag and drop your JPG, PNG, WebP, BMP, GIF, or other supported image into the uploader.
Step 2
Set New Dimensions
Step 2. Choose preset sizes or enter custom width and height values while optionally keeping the original aspect ratio.
Step 3
Download the Image
Step 3. Click “Resize” and download your optimized image instantly, ready for sharing, printing, or uploading.
Resize Images Instantly Without Losing Quality
Whether you’re preparing images for social media, websites, online stores, presentations, or documents, UnoIMG Image Resizer makes resizing fast, accurate, and effortless. Simply upload your image, choose the dimensions you need, and let our tool automatically generate a perfectly resized version in seconds. Supporting popular formats such as JPG, PNG, WebP, GIF, and BMP, it helps you create images that meet the size requirements of any platform without complicated editing software.
Designed for speed, convenience, and quality, UnoIMG Image Resizer allows you to resize images while maintaining sharp details and balanced proportions. You can customize width and height, preserve the original aspect ratio, or resize images for specific use cases like profile photos, website banners, product listings, blog posts, email attachments, and digital marketing materials. Accessible from any browser on desktop or mobile devices, our free online image resizer simplifies your workflow and helps you produce perfectly sized images anytime, anywhere.
Fast Processing
Complete image resizing within seconds using cloud-based technology.
Custom Dimensions
Set any width and height to meet your exact requirements.
High Quality Output
Resize images while preserving sharpness, clarity, and visual quality.
Aspect Ratio Lock
Prevent image distortion by maintaining the original proportions.
Multiple Formats
Resize JPG, PNG, WebP, SVG, GIF, BMP, ICO, and more with ease.
No Installation Required
Resize images directly in your browser on desktop or mobile devices.
FAQ
Frequently Asked Questions
Yes. You can resize images online for free without installing any software or creating an account.
UnoIMG Online Image Resizer supports popular formats including JPG, JPEG, PNG, WebP, GIF, BMP, SVG, ICO, AVIF, and other common image types.
UnoIMG Online Image Resizer is optimized to preserve image quality while resizing. Minor quality changes may occur only when images are enlarged significantly.
Yes. You can resize images for Instagram, Facebook, X (Twitter), LinkedIn, TikTok, YouTube, and other social media platforms using custom dimensions.
Absolutely. Simply enable the aspect ratio lock to keep your image proportions unchanged while resizing.
Yes. Your images are processed securely, and uploaded files are automatically removed after processing to help protect your privacy.