Compress image
Compare image quality and file size, with optional target size.
A simple path to your result
Choose a file, review your changes, process it locally, then download the result.
Processed in this browser tab
Continue your work
Saved a result? Pick up with a related tool when you need it.
Good to know
Very large images may exceed browser canvas or memory limits.
How to use compress image
Choose an image.
Adjust format, quality, or target size while comparing results.
Download the version that meets your needs.
When it helps
Reduce a photo before adding it to a web page or email.
Formats and limits
Input: JPG, PNG, WebP, AVIF. Output: JPG, PNG, WebP, AVIF. Browser support and available device memory can affect large jobs.
A smaller file may show visible quality loss.
Very large images may exceed browser canvas or memory limits.
Privacy and local processing
The selected content is processed in this browser tab. GoldieKit loads application code and, for portrait background removal, model files from the site; the tool does not upload your input for processing. See the privacy notice for network and hosting details.
Common questions
Which formats does this tool handle?
Input: JPG, PNG, WebP, AVIF. Output: JPG, PNG, WebP, AVIF.
Is an account required?
No. You can use this tool in your browser without creating an account.