Image Resizer
Resize image files online for free. Change image width and height, keep aspect ratio, export as JPG, PNG, WebP, or AVIF, and process HEIC photos locally in your browser.
Image resizer
Resize once and keep the output live
Upload one image, adjust the settings that matter, and download the current result without a separate export step.
Drag & drop an image or browse
JPG, PNG, WebP, AVIF, GIF, BMP, SVG, and HEIC
How to Use This Image Resizer
- Upload an image from your phone, camera, or computer.
- Set the new width and height, or use the quick percentage presets.
- Choose an output format such as JPG, PNG, WebP, or AVIF.
- Resize the image and download the finished file.
Resize images without leaving the browser
This image resizer helps you change image dimensions for websites, ecommerce, social media, newsletters, and lightweight uploads. You can keep the original aspect ratio, export in modern formats, and quickly generate a smaller file without sending the image to a server.
When an image resizer is useful
- Preparing hero images, blog graphics, and banners for faster page loads
- Creating smaller attachments for forms, email, and CMS upload limits
- Resizing large phone photos before sharing them in chat or documentation
- Generating cleaner dimensions for product listings and social image cards
Format choices for resized images
- JPG is ideal for most photographs and general website uploads
- PNG is useful when you need lossless exports or transparency
- WebP often creates smaller website-ready images with good quality
- AVIF can deliver very small files when your workflow supports it
Frequently Asked Questions
Can I keep the original aspect ratio while resizing an image?
Yes. The resizer can keep the original proportions locked so you can change width or height without stretching the image.
Which format is best after resizing an image for the web?
JPG and WebP are usually the most practical choices for web images. PNG is better when you need transparency or lossless detail.
Does this image resizer support HEIC photos from iPhone?
Yes. The tool accepts HEIC and HEIF files, decodes them in the browser, and lets you export a resized result in a more compatible format.