Optimize PNG Losslessly
Optimize PNG compression without changing its decoded pixels. Preserve transparency and dimensions, and keep the smaller PNG when the optimized result does not improve size.
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How to use Optimize PNG Losslessly
- 1Add your image
- 2Review the settings and preview
- 3Create and download your result
What makes it better
- Lossless PNG compression
- No palette reduction or hidden colour loss
- Review your result before downloading
Good to know
- Review your image and settings; PNG is selected initially before creating a result.
- Your original image stays unchanged. Download a separate result.
- Use a supported source format. Animated images and high-bit-depth sources need an appropriate workflow; frames and precision are not silently preserved by every format.
Optimize PNG Losslessly FAQ
How does Optimize PNG Losslessly work?
Lossless PNG compression No palette reduction or hidden colour loss Add a file, review the selected requirements and start processing. Settings remain available if you need to try again.
Will Optimize PNG Losslessly change my original image?
No. Your original image stays unchanged. Review and download the result separately.
What if Optimize PNG Losslessly cannot meet my settings?
You get a specific error and can adjust the settings without selecting the image again. Resolution is not silently reduced to meet a file-size target.