온라인 PNG 압축

Smart PNG compression with lossy and lossless modes. Free, private, browser-based.

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Supports PNG files

Why compress PNG images?

PNG images often contain unnecessary metadata and can be compressed further without visible quality loss. Our lossy mode reduces colors intelligently, while lossless mode strips hidden data. Both modes preserve transparency — essential for logos, icons, and web graphics.

PNG vs JPEG vs WebP 사용 시기

  • JPEG: Best for photographs. Smaller files but no transparency support.
  • WebP: Modern format supporting both lossy and lossless with transparency. Smaller than PNG and JPEG in most cases.
  • PNG: Best for graphics with transparency, text, logos, screenshots, and images requiring perfect clarity.

PNG 압축 설명

PNG uses DEFLATE lossless compression. Our lossy mode reduces the color palette (quantization) before PNG encoding, dramatically shrinking files. 무손실 mode re-encodes the PNG with optimized compression settings, stripping unnecessary metadata.