Add images
Select several at once. Each file can be up to 25 MB.
Shrink JPG, PNG and WEBP images by adjusting the quality value. You can compare the size of every file before and after compression. Files are never sent to a server; they are processed only in your current browser.
Choose images and they are processed right in this browser.
Select several at once. Each file can be up to 25 MB.
Quality 70–80 cuts file size a lot while looking almost identical on screen.
One image is saved as an image file, several as a ZIP. If a file would grow larger than the original, the original is kept.
JPG and WEBP are lossy formats: the lower the quality value, the less detail is stored and the smaller the file. We recommend 70–85 for photos and 85 or higher for text-heavy screenshots.
See what runs locally in the browserPNG is lossless, so the quality value does not apply. If you do not need a transparent background, switching the output to WEBP or JPG is the surest way to reduce the size.
See what runs locally in the browserThis tool processes files with your browser's canvas. Files are not sent to an external server for conversion.
Every tool runs inside your browser in the same way.