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Resize Image Online
Resize photos and graphics quickly for websites, forms, social media, and product listings.
No signup
Browser processing
Mobile friendly
Resize Settings
Upload
Upload your image
Edit
We process your image
Download
Download the finished image
Ready to download
Your image is ready
Your processed image is ready.
Processed in your browser whenever possible. Your file is not stored on our server.
About this image resizer
Resize images online for free. Change JPG, PNG and WEBP image dimensions quickly with PixelXTrim while keeping the workflow simple.
Tool built by Noah Atlim, founder and maintainer of PixelXTrim.
How to use it
- Upload your JPG, PNG, or WEBP image.
- Choose the settings that match your goal.
- Preview the result and download the finished file.
Best settings
- Keep aspect ratio turned on unless you intentionally want to stretch the image.
- Resize large website images to the maximum display size needed.
- Use JPG for photos and PNG for graphics that need transparency.
Best for everyday image work
Choose the setting that matches where your image will be used.
Best for upload forms
Resize photos before submitting forms that require smaller dimensions or file sizes.
Best for website banners
Create consistent image dimensions for blog headers, cards, and landing page sections.
Best for product images
Make product photos consistent before adding them to ecommerce or marketplace pages.
What this resizer does
The image resizer changes the width and height of a picture so it fits the place where you want to use it. If a camera photo is 4000 pixels wide but your website only shows it at 1000 pixels, the extra pixels do not help the visitor. They only make the file heavier. Resizing is the simple step that turns a too-large original into a practical image for a page, form, profile, product listing, or document.
Why resizing matters
Resizing changes the pixel dimensions of an image. A photo from a camera or phone may be thousands of pixels wide even when a website only displays it at a fraction of that size. Uploading the oversized original wastes bandwidth and can slow pages down. Resizing to the maximum display size keeps the image useful while removing unnecessary pixels. It can also help avoid upload errors when a platform has a maximum width, height, or file-size rule.
Choosing dimensions
Use the destination as your guide. Blog content images often do not need to be wider than the content column. Thumbnails, cards, and profile images can be much smaller. Keep aspect ratio enabled for natural-looking results, especially with faces, products, logos, and architecture. Turn it off only when the target system requires exact dimensions and distortion is acceptable. If you are unsure, choose a width that is a little larger than the final display area so the image still looks crisp on high-density screens.
Three practical use cases
Website owners resize large photos before adding them to landing pages, blog posts, and galleries. Job seekers resize profile pictures before uploading them to portals with strict image rules. Marketplace sellers resize product images so every item in a grid has a consistent size. These small adjustments make pages feel more polished and reduce the chance that a visitor sees a stretched, cropped, or slow-loading image.
Resize before compression
For very large photos, resize first and compress second. Reducing dimensions often creates a major file-size improvement before quality settings are even changed. After resizing, export a test file and check sharpness at the actual display size. If the image appears soft, try a slightly larger width or use less compression. This two-step workflow is usually better than forcing a huge original through heavy compression, because it removes unnecessary pixels before reducing visual detail.
Fast Processing
All tools work instantly in your browser with minimal page weight.
100% Secure
Your images are processed locally whenever possible and are not stored.
Works Everywhere
Use PixelXTrim on desktop, tablet, or mobile without installing software.
Totally Free
Free online image tools with no registration and no hidden charges.
Frequently Asked Questions
Should I keep aspect ratio on?
Yes, keep aspect ratio on unless you specifically want to stretch the image. It helps prevent distortion.
What size should I use for website images?
Use the largest size your page actually displays. Many content images work well around 1200px wide.
Can I resize images on mobile?
Yes. The resizer is mobile friendly and works in modern mobile browsers.
Does resizing change file size?
Usually yes. Smaller dimensions often create a smaller file, especially for large photos.