Is PNG compression lossless?

Yes. PNG uses lossless compression, so no visual quality is lost.

How much can I reduce a PNG's size?

Typically 20-50% size reduction with lossless compression.

No. All processing happens locally in your browser.

Yes. Alpha channel/transparency is fully preserved during compression.

free

Compress PNG images online for free. Reduce PNG file size without losing quality.

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Compress PNG images online for free. Reduce PNG file size without losing quality.

Coming soon — full implementation in progress

Click the upload area or drag & drop your PNG image.

The tool applies lossless compression automatically.

Download your smaller PNG file.

Compress JPG, PNG and WebP images online without losing visible quality. Reduce file size up to 90%.

Compress JPEG images online for free. Reduce file size without visible quality loss.

Convert PNG images to JPG format to reduce file size while maintaining good visual quality.