How to use compress image online
- Choose or drop your image into the compressor.
- Set or confirm the target file size.
- Compress the file locally in your browser.
- Review the final size and download it.
Useful for
Choose a practical target
Enter the maximum file size required by the website or form you are using.
JPG, PNG and WebP quality
JPG usually reaches very small targets more easily because it uses lossy compression. PNG is better for transparency and sharp graphics but can remain larger. WebP often provides a useful balance between quality and file size while supporting transparency.
Private browser-based processing
The processing for this tool happens in your browser. Your source file does not need to be sent to the MiniImgTools application server before the result is created.
Frequently asked questions
Is Compress Image free to use?
Yes. Compress Image on MiniImgTools is completely free, with no signup and no payment. The tool runs in your browser, so you can use it as many times as you need.
Are my files uploaded to a server?
No. The processing for this tool happens locally in your browser on your own device. Your source file does not need to be sent to the MiniImgTools application server before the result is created.
What file size should I choose?
Enter the maximum file size required by the website or form you are using. JPG usually reaches very small targets more easily, PNG is better for transparency and sharp graphics, and WebP often provides a useful balance between quality and file size.
Which file formats does this tool support?
Core image tools are tested for JPG, PNG and WebP. PDF and DOCX tools explain their own supported inputs and limitations on the page. Very large images can exceed browser memory, so keep your original file and review the output.