Image Resizer
View All ToolsResize JPG, PNG & WebP Images Online – Fast, Free & Easy
What Is an Image Resizer?
An Image Resizer is an online tool that changes the dimensions of an image by adjusting its width and height. Resizing can help make images smaller for websites, social media, documents, email attachments and other digital uses.
ToolMetaWeb's Image Resizer allows you to resize JPG, PNG and WebP images directly in your browser. You can set custom dimensions, maintain the original aspect ratio and choose an output format.
What Can This Image Resizer Do?
- Resize JPG images
- Resize PNG images
- Resize WebP images
- Set custom image width
- Set custom image height
- Maintain image aspect ratio
- Resize multiple images
- Choose JPG, PNG or WebP output
- Adjust image quality
- Preview selected images
- Download resized images individually
- Process images directly in your browser
How to Resize an Image Online
Step 2: Enter the required width and height in pixels.
Step 3: Keep Maintain aspect ratio enabled if you want to preserve the original proportions.
Step 4: Choose the output format and image quality.
Step 5: Click Resize Images and download the resized files.
Why Resize Images?
Large images can consume more storage and may take longer to load on websites. Resizing an image to appropriate dimensions can reduce its pixel dimensions and make it more suitable for its intended use.
For websites, social media and email, using appropriately sized images can also make files easier to manage and share.
Benefits of Image Resizing
- Creates images with custom dimensions
- Can reduce image dimensions
- Useful for website images
- Useful for social media posts
- Useful for profile pictures
- Useful for documents and presentations
- Helpful when a website requires specific image dimensions
- Can be used without installing image editing software
What Does Maintain Aspect Ratio Mean?
Aspect ratio describes the relationship between an image's width and height. When you maintain the aspect ratio, changing one dimension automatically determines the other dimension so the image does not become unnecessarily stretched or compressed.
JPG, PNG or WebP – Which Format Should You Choose?
JPG
JPG is commonly used for photographs and images where a relatively small file size is important. It uses lossy compression, so image quality can change depending on the compression level.
PNG
PNG is useful for graphics, screenshots, logos and images that need lossless compression or transparency.
WebP
WebP is a modern image format designed to provide efficient compression while maintaining good visual quality. It can be useful for websites and modern browsers.
Best Image Dimensions for Websites
There is no single width that is perfect for every website. The appropriate image dimensions depend on where the image will be displayed, the layout of the page and the screen size of visitors.
- Resize images according to their actual display size
- Avoid uploading extremely large images when they are displayed much smaller
- Use appropriate compression for photographs
- Keep important graphics sharp and readable
Image Resizing and Website Performance
Using unnecessarily large images can increase page weight and affect loading performance. Resizing images to reasonable dimensions before publishing can help reduce the amount of image data that browsers need to process.
Image dimensions are only one part of performance. Compression, image format, caching and other website optimizations can also affect loading speed.
Privacy & Security
The image resizing process provided by this tool is performed directly in your browser. Selected images do not need to be uploaded to an external server for the basic resizing operation.
Common Image Resizing Mistakes
- Stretching images by changing width and height independently
- Using unnecessarily large dimensions
- Reducing quality too much
- Choosing an unsuitable output format
- Resizing an already heavily compressed image repeatedly