压缩 PNG
压缩 PNG — 免费在线减小 PNG 体积
PNG 文件可能出奇地大。我们的智能色彩量化算法在保留透明度和视觉质量的同时大幅减小 PNG 体积——全程在浏览器中,无需上传、无需注册。
Why use this compress png tool?
Advanced PNG color quantization for smaller files
Preserves transparency and sharp edges
Batch compress multiple PNGs at once
Quality slider for optimal size/quality
Before/after comparison slider
100% local, private, free, no signup
Frequently Asked Questions
How do I compress a PNG?
Drop your PNG onto the compressor or click to browse. It is compressed instantly in your browser using smart color quantization. Adjust quality if needed, then download.
Can I compress PNG without losing transparency?
Yes. Our PNG compression preserves alpha-channel transparency while reducing file size.
How much can I compress a PNG?
For icons, logos and screenshots, compression of 50–80% is common. The exact ratio depends on image complexity and the quality setting.
Is PNG compression free?
Yes, completely free with no watermark, signup, or file limits. All processing happens locally in your browser.