PNG Batch Compressor

Reduce the size of PNG files efficiently with intelligent algorithms, perfect balance between image quality and compression rate.

Core Functions

- Batch Processing： Compress up to 30 PNG images at a time.
- Controllable quality： Customizable compression ratio (70%-95%) to meet the needs of different clarity.
- Cross-platform compatibility： Compatible with all operating systems, PC / mobile phone browser ready to use.
- Lossless Optimisation： Lossless compression with colour depth optimisation and metadata cleaning technology
- Security： Files are automatically encrypted in the cloud and deleted 2 hours after processing.

User Guide

1. Upload files： Click" Add Image" or drag and drop the PNG file to the specified area.
2. Setting parameters： Drag the slider to select the compression strength (85% balance mode is recommended by default)
3. Start Processing： Click" Compress Now" button, the system automatically performs optimisation
4. Download results： Support single download or ZIP package batch save.

Technical Advantages

- Enhanced DEFLATE algorithm, compression rate 15-30% higher than traditional tools.
- Automatically detects and preserves Alpha channel transparency data.
- Intelligent skip optimised images to avoid repeated processing Applicable scenarios: Web material optimisation, APP resource slimming, social media image uploading, email attachment size control, etc. Processing speed depends on the file size and network environment, the average 1MB file can be compressed in 3 seconds.