Free Image Resizer Online,
Pixels, Percentage, Inches, No Sign-Up
Upload an image or drag and drop here
Privacy Note: Your images are processed entirely in your browser. They are never uploaded to our servers.
Image preview will appear here
What Is an Online Image Resizer?
An online image resizer is a browser-based tool that changes the dimensions of an image, making it smaller or larger, without requiring any software installation.
Resizing is one of the most common image tasks on the web. Whether you need to reduce a photo to meet an email size limit, scale a product image for an e-commerce listing, prepare a print file in exact inches, or shrink a large screenshot for a presentation, having a fast, private, and free resizer in your browser saves time every day.
ToolsUp.net processes everything locally in your browser. Your images are never uploaded, never stored, and never shared. Just instant results with no limits.
Resize Modes at a Glance
This tool gives you five ways to resize, so you can work in whatever unit makes sense for your project:
| Resize Mode | What It Does | Best For |
|---|---|---|
| By pixels | Set exact width and height in pixels | Web images, social media, email attachments |
| By percentage | Scale up or down relative to original size | Quick resizing without fixed dimensions |
| By inches | Enter print dimensions in inches | Posters, frames, print documents |
| Aspect ratio lock | Resize one side and the other adjusts automatically | Preventing distortion on any resize |
| Stretch / fill | Force exact dimensions regardless of original ratio | Banners, headers, background images |
How to Resize an Image in 3 Steps
Step 1: Upload Your Image
Click Upload or drag and drop your image into the tool. Supports JPG, PNG, WebP, and BMP. Your file stays in your browser the entire time, nothing is sent to any server.
Step 2: Set Your Dimensions and Options
Enter your target width and height in pixels, percentage, or inches. Toggle the aspect ratio lock to resize proportionally. Use stretch to force exact dimensions for banners or headers.
Step 3: Download Your Resized Image
Click Resize and your image is processed instantly. Download in the same format or convert at the same time. No email required, no account, no waiting.
Why Use ToolsUp.net to Resize Images?
There are many image resizers online. Here is what makes ToolsUp.net different:
- ✓Completely Free with No Limits: resize as many images as you need, no daily cap, no file count restriction, no paid tier
- ✓No Sign-Up Required: open the tool and start resizing immediately
- ✓No Watermarks: your downloaded file is 100% clean
- ✓No Quality Loss: uses high-quality canvas rendering to preserve sharpness when scaling down
- ✓Privacy-First: all processing happens in your browser, your images never leave your device
- ✓Multiple Resize Modes: pixels, percentage, inches, all in one tool
- ✓Aspect Ratio Lock: resize one dimension and the other adjusts automatically
- ✓Works on Any Device: desktop, tablet, and mobile browsers all supported, no app needed
Who Uses This Image Resizer?
Our image resizer is built for anyone who works with images regularly:
- E-commerce sellers: resize product photos to exact pixel dimensions required by Amazon, Daraz, Shopify, and other platforms before uploading
- Web developers and designers: scale images to specific breakpoints and container sizes to avoid layout issues and unnecessary bandwidth
- Social media creators: resize photos to the exact pixel dimensions for Instagram posts, Facebook covers, Twitter headers, LinkedIn banners, and more
- Bloggers and content creators: reduce large images before uploading to WordPress or other CMS platforms to improve page load speed
- Print designers: resize images to exact inch or centimeter dimensions for posters, business cards, and print documents
- Students and office workers: quickly reduce image file size before attaching to emails or embedding in presentations
Frequently Asked Questions
Ready to Resize Your Image?
No sign-up. No watermark. No quality loss. Just a perfectly sized image in seconds.
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