Batch Compression
Intelligently compress multiple images to reduce file size while maintaining quality
Overview
Batch compression tool intelligently optimizes image file size, significantly reducing storage space and transfer bandwidth while maintaining quality. Supports multiple compression levels to meet different scenario needs.
Compression Modes
Light Compression
Quality priority, moderate file size reduction
- Maintain best quality
- File size reduced by ~20-40%
- Suitable for high-quality requirements
Moderate Compression
Balance quality and file size
- • Balance quality and size
- • File size reduced by ~40-60%
- • Recommended for daily use
Strong Compression
Minimize file size, quality slightly reduced
- • Smallest file size
- • File size reduced by ~60-80%
- • Suitable for web and fast loading scenarios
Custom Parameters
Precisely control compression quality and output format
- • Quality value: 1-100 customizable
- • Optional output format (JPG/original)
- • Meet special requirements
How to Use
- Visit batch compression tool page
- Click "Add Photos" or drag and drop images to compress
- Select compression mode (light, moderate, strong or custom target size)
- In custom mode, set target file size (JPG only)
- Preview file size changes after compression
- Click "Start Compression" to batch process all images
- Click "Download All" to get ZIP archive when complete
Format Support
- JPG / JPEG: Supports quality compression, recommended
- PNG: Only supports conversion to JPG for compression, or keep original format
- WebP: Supports quality compression
- BMP / ICO: Recommend converting to JPG for compression
Use Cases
- Website Optimization: Reduce image size to speed up page loading
- Email Attachments: Compress images to meet email attachment size limits
- Cloud Storage: Save cloud storage space, reduce storage costs
- Mobile Apps: Reduce app size and data consumption
- Social Sharing: Quick upload and share, save data
Key Features
- Smart compression: Auto-optimize parameters, balance quality and size
- Multiple modes: 3 presets + custom target size, meet different needs
- Real-time preview: Preview file size changes before compression
- Batch processing: Compress multiple images at once, save time
- Completely free: Compression doesn't consume credits
Usage Tips
- PNG/BMP/ICO formats recommended to convert to JPG before compression for better results
- Compression is irreversible, recommend keeping original backups
- Don't over-compress images for printing
- Upload 10-50 images at once (depending on membership level)