Free Image Compressor & Resizer
Reduce image file size and resize pictures directly in your browser. Optimize JPG, PNG and WebP images, preview the result and download your optimized image without uploading it to a compression server.
Compress and Resize Your Image
Select an image, choose your output settings and download the optimized file.
Free Image Tool
Image Compressor & Resizer
Reduce image file size and resize images in your browser.
PNG is lossless in this tool; the quality setting applies to JPG and WebP. Resizing is controlled by maximum width while keeping proportions enabled.
Select an image to begin.
Privacy: image processing happens in your browser. Your selected image is not uploaded to this website by this tool.
What Is an Image Compressor?
An image compressor reduces the file size of an image. Smaller image files can be easier to store, share and deliver on websites. Image resizing changes the pixel dimensions of an image, which can also reduce the amount of data needed to display it.
Our free image compressor and resizer processes supported images in your browser. You can select JPG, PNG or WebP input, choose an output format and adjust the maximum width and quality settings.
How to Use This Free Image Compressor
- Select a JPG, PNG or WebP image up to 15 MB.
- Set the maximum image width in pixels.
- Choose WebP, JPG or PNG as the output format.
- Adjust image quality for JPG or WebP output.
- Keep original proportions enabled to preserve the image aspect ratio.
- Click Compress & Resize to process the image.
- Review the preview and file-size comparison, then download your image.
Features of Our Online Image Compressor
Choose from common image formats for input and output.
Set a maximum width and resize large images for your intended use.
Adjust JPG and WebP output quality to balance file size and appearance.
Preview the processed image before downloading it.
Compare original and processed file sizes and image dimensions.
Your selected image is processed in your browser rather than uploaded to a compression API.
Which Image Format Should You Choose?
WebP
WebP is a modern web image format that supports lossy and lossless compression. It is a useful choice for many website images when browser and workflow compatibility meet your needs.
JPG
JPG is widely supported and often suitable for photographs. It does not preserve transparency, so transparent areas are filled with white when exporting to JPG in this tool.
PNG
PNG is useful when you need lossless output or transparency. The quality slider does not apply to PNG, and converting to PNG may increase file size.
Image Optimization Tips for Websites
- Resize images to dimensions close to the size they will be displayed at.
- Use WebP when it suits your website and publishing workflow.
- Keep a suitable quality level so important visual details remain clear.
- Use PNG when transparency or lossless output is needed.
- Use descriptive file names and meaningful alt text when publishing images.
- Keep an original copy before replacing or deleting source images.
- Check the final image on desktop and mobile before publishing.
Frequently Asked Questions
Is this image compressor free?
Yes. You can compress and resize supported images with this tool without creating an account.
Which image formats are supported?
The tool accepts JPG, PNG and WebP images. You can export the processed image as WebP, JPG or PNG.
Is my image uploaded to a server?
No. The image is processed in your browser using browser image and canvas features. The tool does not upload your selected image to a compression API.
Does the quality setting affect PNG?
No. PNG output is lossless in this tool. The quality setting applies to JPG and WebP output.
Will resizing keep the image shape?
Yes, when Keep original proportions is selected. The tool scales the image proportionally based on the maximum width.
Why is my compressed image larger?
Some formats or settings can produce a larger file than the original, especially when converting a highly optimized image to a different format. Compare the output size before using it.
What is the maximum upload size?
This tool accepts image files up to 15 MB per image.
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