Free Online PNG Compressor
Reduce PNG file size while maintaining transparency and quality. Perfect for logos, icons, and graphics.
DROP YOUR PNG IMAGES HERE
or click to browse PNG files
Max 5MB per file - Up to 10 PNG images per upload
All processing local + server-side transient, no files stored.
How To Compress PNG
Upload PNG Files
Drag and drop your graphics or icons. We fully support transparent alpha channels.
Optimize Lossless Output
Adjust the quality slider to find the perfect efficiency ratio without destroying pixel fidelity.
Download
Get your bandwidth-friendly PNGs back immediately. Perfect for crisp web UI elements.
Make Your PNG Smaller Without Losing Quality
Preserve Transparency
Compress PNG files natively without breaking the alpha layer, perfect for logos and overlay graphics.
Crisp UI Assets
Maintain the pixel-perfect sharpness required for high-DPI displays and complex web interfaces.
Boost SEO Rankings
Efficient PNG sizes improve page load metrics and Core Web Vitals to help you rank higher.
Why Compress PNG?
Unoptimized PNGs are often massive and can damage mobile loading speeds. By compressing your PNGs, you keep visual clarity and alpha transparency while saving bandwidth.
Tip: Add explicit width and height attributes to loaded PNGs on your site to prevent Cumulative Layout Shift (CLS).
Quality vs Size Guide
PNG compression is lossless, meaning no visual quality is lost. The quality setting optimizes compression efficiency.
Sample: 2MB Photo
Quality Recommendations
Detailed graphics - Complex illustrations - Minimal compression
Logos - UI icons - Best balance for most use cases
Web graphics - Thumbnails - Smaller file size priority
Previews only - May show artifacts - Not recommended
Frequently Asked Questions
No. PNG compression is typically lossless and focuses on removing redundant data while preserving pixel fidelity.
Use PNG for logos, interface elements, and transparency. For complex photos, JPEG or WebP usually gives better size reduction.
Smaller PNG files reduce page weight and improve loading metrics such as LCP, helping overall SEO performance.
Yes. The PNG alpha channel is preserved so transparent backgrounds remain intact.