1
Upload a supported image
Drag and drop your image into the upload area or click to browse files. JPG, PNG, and WebP formats are supported.
- One image is processed at a time for precise resizing
- Accepted formats: JPG, PNG, WebP
Image Resizer Online
Resize images online by changing width and height in pixels. Upload a JPG, PNG, or WebP image, set your target dimensions, and download the resized image. Fast, free, and private — all processing happens in your browser.
NewTools Image Resizer lets you resize images online by changing width and height in pixels. Upload a JPG, PNG, or WebP image, set custom dimensions, and download the resized file — all from your browser.
No installation
Fast processing
Browser friendly
Privacy-aware
Features
Set custom width and height in pixels for precise image dimensions
Supports JPG, PNG, and WebP image formats
All processing happens in your browser — private and secure
Free to use — no signup, no watermark
Works on desktop and mobile browsers
Download your resized image quickly when ready
How It Works
2
Choose available resize options
Enter your target width and height in pixels. Valid dimensions range from 1 to 10,000 pixels per side.
- Set custom width and height values
- Default preset: 800 × 600 pixels
3
Apply the resize process
Click Resize Image and wait for the browser to finish processing. Processing runs in your browser and performance depends on your device and image size.
- All processing happens in your browser — nothing is uploaded to a server
- Results depend on the image format, dimensions, browser, and device
4
Download the resized image if available
When processing succeeds, the resized image downloads automatically. You can also use the download link displayed on screen.
- The resized image downloads automatically when ready
- Output format depends on the source image: PNG images stay PNG; other formats produce JPEG output
Common Use Cases
Resize Photos for Social Media
Resize images to fit common social media dimensions. Set the width and height in pixels for profile pictures, cover photos, or post images.
Prepare Images for Websites
Standardize product photos, blog images, and gallery images to consistent dimensions for your website or online store.
Adjust Image Dimensions for Projects
Set images to specific pixel dimensions for presentations, documents, email attachments, or other projects.
Tips & Best Practices
Start with the largest image possible
For best results when reducing dimensions, start with the highest resolution image available. Reducing a large image preserves quality, while enlarging a small image can result in pixelation.
Choose the right format for your needs
JPG is useful for photographs and complex images. PNG works well for graphics with text or transparency. WebP can offer good quality at smaller file sizes for web use.
Resize results can vary
The output depends on the original image format, the dimensions you choose, your browser, and your device. Large images may take longer to process.
Image Resizer
Why resize images
Whether you need images for social media, product photos for your online store, or graphics for a presentation, the right image dimensions make everything look more professional. Resize images to fit any platform or layout in seconds.
Image resize vs image compression
Image resize changes the pixel dimensions (width and height) of an image. Image compression reduces the file size in KB or MB, often without changing pixel dimensions. If you want to make a file smaller without changing its width and height, use the Image Compressor instead.
Fast, private, and easy
- Upload a JPG, PNG, or WebP image.
- Set your target width and height in pixels (1–10,000 per side).
- Processing runs in your browser — your image never leaves your device.
- Download your resized image.
Frequently Asked Questions
How do I resize an image online?
Upload a supported image (JPG, PNG, or WebP), enter your desired width and height in pixels, and click Resize Image. When processing succeeds, the resized image downloads automatically.
Is this image resizer free?
Yes. You can resize supported images from your browser without creating an account or paying.
Can I resize photos by width and height?
Yes. Enter your target width and height in pixels. The tool resizes images to the dimensions you set, from 1 pixel up to 10,000 pixels per side.
Does resizing reduce image quality?
Reducing image dimensions usually preserves quality. Enlarging images beyond their original size may reduce sharpness because the tool creates new pixels. Results depend on the source image, dimensions, format, browser, and device.
What is the difference between image resize and image compression?
Image resize changes the pixel dimensions (width and height) of an image. Image compression reduces the file size in KB or MB, often without changing pixel dimensions. Use the Image Compressor if you want to make a file smaller without changing its width and height.
Why did my image resize fail?
A resize can fail if the file is too large for the browser to process, the format is not supported, or the dimensions you entered are not valid. Try a smaller file or different dimensions.