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Image Compressor

Reduce image file sizes while maintaining quality. Perfect for improving website loading speed and saving storage space.

💡 Tips for Best Results

  • Quality: 80-90% is usually optimal (good quality, good compression)
  • File Size: Lower max size = more compression (may affect quality)
  • Format: WebP provides better compression than JPEG/PNG
  • Privacy: All processing happens in your browser - no uploads to server

Key Features​

  • Adjustable quality and file size
  • Real-time compression preview
  • Before/after comparison
  • Compression statistics
  • Client-side processing (no server upload)

Settings​

Quality​

  • Range: 10% ~ 100%
  • Recommended: 80-90%
  • Higher quality = better image but larger file size

Max File Size​

  • Range: 0.1MB ~ 5MB
  • Automatically compresses further if exceeded
  • Web optimization: 1MB or less recommended

Use Cases​

1. Website Optimization​

Original: 5.2MB → Compressed: 850KB (83% reduction)
Significantly improved loading speed

2. Email Attachments​

Original: 8.5MB → Compressed: 1.2MB
Solved email size limit issues

3. Social Media Upload​

Original: 12MB → Compressed: 2MB
Reduced upload time

Supported Formats​

  • Input: PNG, JPG, JPEG, WebP
  • Output: Same format as input
  • Max Size: 50MB

Compression Tips​

Optimal Quality Settings​

  • Photos: 80-85% (virtually no visible difference)
  • Screenshots: 85-90% (maintains text clarity)
  • Illustrations: 90-95% (preserves details)

Size-Based Recommendations​

  • Large photos (10MB+): Quality 80%, Max size 1MB
  • Medium size (3-10MB): Quality 85%, Max size 1.5MB
  • Small size (under 3MB): Quality 90%, Max size 2MB

Technical Details​

Compression Method​

  • Browser-based compression: Uses browser-image-compression library
  • Web Worker: Processes in background without blocking main thread
  • Canvas API: Image resampling and quality adjustment

Privacy​

  • ✅ All processing happens in your browser
  • ✅ Images are not uploaded to any server
  • ✅ 100% client-side processing
  • ✅ Works offline (after page load)

FAQ​

Q: Does compression reduce quality?​

A: Compressing at 80-90% quality produces virtually no visible difference. Adjust quality based on your needs.

Q: Can PNG images be compressed?​

A: Yes, PNG compression is supported. However, converting to JPEG can achieve higher compression ratios.

Q: Can I compress multiple images at once?​

A: Currently supports one image at a time. Please upload each image sequentially.

Q: What if I'm not satisfied with the compression quality?​

A: Increase the quality slider or max file size, then click the "Recompress" button.

Browser Support​

  • ✅ Chrome 50+
  • ✅ Firefox 50+
  • ✅ Safari 11+
  • ✅ Edge 79+
  • ✅ Mobile browsers (iOS Safari, Chrome Mobile)