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画像圧縮

PNG/JPG/WebP画像を圧縮し、ファイルサイズを削減します。

Features

  • Compress PNG, JPG, and WebP images up to 90% smaller
  • Adjustable quality slider (10-95) for precise control
  • Batch compression - process multiple images at once
  • Convert format while compressing (PNG to WebP, etc)
  • 100% browser-based - your images never leave your device

How to Use

  1. Click the upload area or drag and drop your image file
  2. Adjust the quality slider to set compression level
  3. Click Compress to process your image
  4. Download the compressed file instantly

Frequently Asked Questions

Is this image compressor free?

Yes, completely free with no signup required. No watermarks, no limits.

Will I lose image quality?

The compressor uses smart algorithms to reduce file size while maintaining visual quality. You can control the trade-off with the quality slider.

Are my images uploaded to a server?

All processing happens in your browser. Your images are never stored on our servers and are deleted automatically after 1 hour.

What image formats are supported?

PNG, JPEG/JPG, WebP, and BMP. You can also convert between formats during compression.

Is there a file size limit?

Maximum file size is 30MB per image.