Image Compressor
Choose an output format and compression quality, then compare the original and compressed file sizes before downloading the result.
Privacy: images are processed locally in your browser, are not uploaded, and downloads are generated on your device.
About this tool
Choose an output format and compression quality, then compare the original and compressed file sizes before downloading the result.
How to use it
- Upload a JPG, PNG or WebP image.
- Choose PNG, JPG, JPEG or WebP and adjust the quality when supported.
- Review the output size and download the locally generated image.
Common uses
- Reduce images before publishing
- Improve website image performance
- Shrink files for sharing and uploads
Supported formats
Things to know
- This static tool processes every image locally in your browser. Files are not uploaded, and downloads are generated on your device.
- Converting a transparent PNG to JPG or JPEG replaces transparency with a solid background. Use PNG or WebP to keep transparency.
FAQ
Are compressed images uploaded?
No. Compression runs in your browser, and this site does not store your images.
Does lower quality always make a smaller file?
Usually, but PNG files, transparent images and very small images may show little or no change.
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