Compress Image Online
Reduce image file size without losing quality. Works client-side.
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How to use Compress Image
- 1
Select and upload an image (JPG, PNG, WebP) from your device.
- 2
Choose your target output format and slide the quality slider to adjust resolution.
- 3
Click 'Compress Image' to run the compression algorithm completely client-side.
- 4
Compare sizes and space saved, then click 'Download Compressed Image'.
Capabilities
- Shrink image file size in seconds
- Real-time before/after size comparisons
- Support for WebP format conversion for modern web assets
- Adjustable quality scale parameters
- Secure local sandbox execution safeguarding photos
This tool operates in a sandbox directly inside your web browser. All parsing, processing, and downloads are rendered locally. Your file size, metadata, and contents never cross the network. It works completely offline.
Frequently Asked Questions
Will this compress PNG images?
Yes. However, PNG is a lossless format and cannot be compressed much without quality loss. If you want to compress a PNG, we recommend selecting WebP or JPG as the output format.