Compress image
Adjust JPG or WebP quality locally. PNG compression depends on the browser encoder.
Choose a file to get started.
Converting your file
Working on your device…
What this tool does
Adjust JPG or WebP quality locally. PNG compression depends on the browser encoder.
Select a supported file or paste text.
Use the options shown in the workspace.
Download the result and review it on your device.
When to use compress image
Try a lower JPG or WebP quality for a web photo.

How to use compress image
- Choose the supported image or images.
- Review the compress image options shown above.
- Run the tool, download the new copy, and inspect the result.
Frequently asked questions
How does Compress image work?
Choose the input, adjust any available options, and run the tool. Adjust JPG or WebP quality locally. PNG compression depends on the browser encoder.
Is my file uploaded to ConvertExpress?
No. This demo performs this conversion in your browser. The site downloads its interface and code, but it does not upload the selected file for this tool.
Will the output always match the original?
Adjust JPG or WebP quality locally. PNG compression depends on the browser encoder. Check the result before using it for important work.
Will lowering quality always reduce the download size?
No. Size depends on the source and output encoder. The quality control applies to JPG and WebP; PNG encoding does not use that control in the same way.