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Compress PNG Images Online
Compress transparent PNG graphics, logos, and screenshots locally in your browser. Retain crisp transparency and sharp edges.
Drop your images here, or browse
Supports JPG, PNG, WebP, AVIF & iPhone HEIC. Batch processing supported.
💡 Pro-tip: PressCtrl + Vto paste screenshots directly
How to Use the Compress PNG Images Online
Fast, local, and 100% free tool. No software installation or cloud uploads required.
1
Upload PNG
Drop transparent icons, logos, or screenshots.
2
Compress
Quantize palette and optimize PNG data streams.
3
Verify Alpha
Check that transparent pixels are preserved.
4
Download
Get your compressed PNG with clean transparency.
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100% Client-Side In-RAM Privacy Guarantee
Every byte of image processing is calculated locally on your CPU/GPU using modern WebAssembly, Canvas API, and HTML5 Web Workers. Zero images are ever uploaded to cloud servers or stored in remote databases.
✓ 100% Local In-RAM✓ Zero Server Uploads✓ Unlimited Free Use✓ GDPR & HIPAA Safe
Frequently Asked Questions
Yes, alpha transparency is 100% preserved unless you intentionally convert to JPG.