Image Compressor
Make images easier to upload, share, and use on the web. Adjust quality, compare the file size, and download your result. Your images stay on your device.
Start with your image
Drag and drop a JPG, PNG, or WebP. Up to 20 MB and 16 million pixels.
Private by design. Your image stays on your device.
How to compress images online
- Choose an image or drag a JPG, PNG, or WebP into the upload area.
- Select JPG or WebP and adjust quality. Start at 80% and lower it if you need a smaller file.
- Click Compress image, check the preview and savings, then download.
Frequently asked questions
How do I compress an image?
Choose a JPG, PNG, or WebP image, select the output format and quality, and click Compress image. Compare the result size and preview before downloading.
Does compression reduce image quality?
JPG and WebP use lossy compression at the selected quality. Lower settings usually save more space but can lose detail. Dimensions stay the same. PNG uses lossless encoding with no quality slider, and re-encoding may not reduce its size.
Can I compress a PNG with transparency?
Yes. Choose WebP to keep transparency while adjusting quality, or PNG for lossless encoding. JPG replaces transparent areas with white. Animated images become a still image.
Are my images uploaded?
No. All processing happens in your browser. There is no account, watermark, or server upload. Download your result before leaving or refreshing the page.
Why is the compressed file sometimes larger?
An image may already be efficiently compressed. Changing format or re-encoding can increase its size. Try WebP or lower quality, or download your original instead. A smaller file size is not guaranteed.
What are the file limits?
Upload one image at a time, up to 20 MB, 8,192 pixels on either side, and 16 million pixels total. Resize larger images with our Image Resizer first.