PNG Compressor

Compress PNG images online. Reduce PNG file size instantly.

PNG Compressor

About PNG Compressor

Our PNG Compressor uses color quantization to reduce PNG file sizes. It reduces the color palette of your image, which significantly decreases file size while maintaining visual appearance. This is especially effective for illustrations, screenshots, and graphics with limited colors.

Supported formats: PNG

Key Features

  • Color quantization for smart compression
  • Preserves PNG transparency
  • Batch process up to 10 files
  • Smart compression — keeps smaller result

How to use PNG Compressor

  1. Click 'Select PNG Images' and choose up to 10 PNG files.
  2. Adjust the quality slider — lower values reduce colors more aggressively.
  3. Click 'Compress' and download your optimized PNGs.

Privacy & Security

All processing happens directly in your browser. Your data never leaves your device and is never uploaded to any server. We have no access to the files you process or the data you enter. This ensures complete privacy and security.

Frequently Asked Questions

What is color quantization?

Color quantization reduces the number of colors in an image. For example, reducing from 16 million colors to 256 colors. This dramatically reduces file size while keeping the image looking similar.

Does this support transparency?

Yes, PNG transparency (alpha channel) is preserved during compression.

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