Image Resizer
Use this free online Image Resizer to resize JPG, PNG, and WEBP images instantly. Upload your image, choose custom width and height or percentage resize, keep aspect ratio if needed, and download the resized image in seconds. This tool is useful for websites, ecommerce, forms, social media, documents, and image optimization.
Upload image
Resize options
For PNG output, quality does not affect compression much. Quality mainly matters for JPG and WEBP output.
Width and height of uploaded image.
Width and height after resizing.
Size of uploaded image file.
Size of resized output image.
Current image resizing status.
Resized image preview
Quick summary
Upload an image, choose resize options, and download the resized result instantly.
How to use
- Upload a JPG, PNG, or WEBP image.
- Choose custom dimensions or resize by percentage.
- Enable aspect ratio lock if needed.
- Click Resize Image and download the result.
Example
Input: website banner, product photo, signature, or profile image
Action: set width and height or reduce size by percentage
Result: get a neatly resized image ready for upload or sharing.
Where can you use this Image Resizer?
Website & Blog Images
Resize banners, thumbnails, and website images to match exact layout or speed requirements.
Ecommerce & Marketplace Uploads
Resize product photos and catalog images before uploading to stores or marketplaces.
Forms, Social Media & Documents
Useful for profile photos, signature images, scanned files, and online form image preparation.
When to use this tool
Before uploading an image
Resize images first when a website or form requires exact dimensions.
When image dimensions are too large
Reduce oversized images to improve upload speed, page load speed, and storage usage.
For quick browser-based editing
Resize images online instantly without needing Photoshop or heavy editing software.
Frequently Asked Questions
What is an Image Resizer?
What image formats are supported?
Can I keep the aspect ratio while resizing?
Does resizing happen in the browser?
Does this Image Resizer work on mobile?
About this free online Image Resizer
An Image Resizer helps you quickly change the dimensions of an image without using heavy editing software. This is useful when an image is too large, too small, or does not match the exact size needed for a website, form, ecommerce listing, document, or social media platform. You can upload an image, set a new size, and download the resized result in seconds.
This tool supports popular formats like JPG, PNG, and WEBP. You can resize by entering a custom width and height or by using percentage-based resizing. If you want to avoid distortion, you can keep the aspect ratio enabled so the image remains proportional during resizing.
Image resizing is often useful before uploading files online because many websites, forms, and tools accept only certain dimensions. Smaller images can also improve page speed and reduce storage usage. This makes resizing helpful for profile photos, signatures, product images, blog banners, scanned images, and general upload preparation.
You may also find our related image tools useful, such as Crop Image Online Free, Compress Image to 20KB, PNG to WEBP Converter, WEBP to JPG Converter, Passport Size Photo Maker, and Signature Resize to 10KB. These tools help with cropping, compression, conversion, and image preparation tasks.