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PNG Compressor

Compress PNG images using color quantization to reduce file size. All processing happens locally in your browser.

Smaller file Higher quality

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💡 How to Use This Tool

Compress your PNG images to reduce file size in seconds. Follow these simple steps:

1

Set Compression Level

Adjust the quality slider to balance file size and visual quality.

2

Upload PNG Images

Click the upload area or drag and drop your PNG files.

3

Compress Images

Click "Compress All" to process your images.

4

Download Results

Download individual files or all compressed images at once.

📖 About PNG Compressor

What is PNG Compression?

PNG compression reduces the file size of PNG images by optimizing how data is stored, while maintaining the lossless quality that PNG format is known for. This is achieved through quality adjustment that converts the image to a more efficient format.

Why Compress PNG Images?

  • Faster Loading: Smaller files load quicker on websites and apps
  • Bandwidth Savings: Reduced file sizes save bandwidth for users and servers
  • Storage Efficiency: Store more images using less disk space
  • Better SEO: Faster page loads improve Core Web Vitals scores
  • Email Attachments: Stay within email attachment size limits

Common Use Cases

  • Web Development: Optimize website images for faster page loads
  • E-commerce: Reduce product image sizes for better performance
  • Social Media: Prepare images for sharing on social platforms
  • App Development: Create lightweight assets for mobile applications
  • Blogging: Speed up your blog with optimized image files

Key Features

Quality Control

Adjust the compression level to balance file size and visual quality according to your needs.

Batch Processing

Compress multiple PNG images at once for efficient workflows.

Instant Preview

See the compressed result and file size savings before downloading.

Size Comparison

View original vs. compressed file sizes with percentage savings.

Privacy & Security

Your images are processed entirely in your browser using the HTML5 Canvas API. No files are uploaded to any server—your images remain completely private on your device.

❓ Frequently Asked Questions

Yes! All image processing happens locally in your browser using the HTML5 Canvas API. Your images are never uploaded to any server and remain completely private on your device.
For most uses, a quality of 75-90 provides a good balance between file size and visual quality. For images where quality is critical, use 90-100. For maximum compression, use 50-75.
Since processing happens in your browser, there's no server-imposed limit. However, very large images (over 20MB) may be slower to process depending on your device.
This tool uses lossy compression to achieve smaller file sizes. You can control the quality level to balance between file size and visual quality. Higher quality settings result in larger files but better visual quality.
Yes! You can upload and compress multiple PNG images simultaneously. Each image is processed individually and you can download them all at once or one by one.