Compress PNG
Reduce PNG file size up to 80% while maintaining quality. Fast, secure, and free.
or drop files here
Maximum file size: 50MB per file
Convert to a modern format for better compression. WebP is recommended for best results.
High Quality
Maintain file quality while reducing file size up to 80%.
100% Secure
All processing happens in your browser. Your files never leave your device.
Super Fast
Compress multiple files in seconds with our optimised algorithms.
Compress, convert & crop images offline on iPhone - privacy-first, batch up to 200
Compress to Target Size
Quickly compress your files to specific file sizes
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About PNG Compression
PNG (Portable Network Graphics) is a lossless image format widely used for web graphics, logos, and images requiring transparency. However, PNG files can be quite large. Our PNG compression tool uses advanced optimization algorithms to reduce file size significantly while maintaining visual quality. Unlike other compression tools that require uploading your files to a server, our tool performs all compression directly in your browser using modern web technologies. This means your images are completely private and never transmitted over the internet.
How to Compress :format Files
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1
Select PNG Files
Click the upload button or drag and drop your files into the upload area. You can select multiple files at once.
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2
Compress Files
Click the "Compress All Files" button. Our tool will process each file and show you the compression results in real-time.
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3
Download Compressed Files
Download your compressed files individually or all at once as a ZIP archive. Your original files remain unchanged.
Frequently Asked Questions
How to compress PNG without losing quality?
Our PNG compressor uses lossless optimization to reduce file size without any quality loss.
How to reduce PNG file size online?
Upload your PNG and choose between lossless and lossy compression for the best balance.
Why Choose Let Compress?
- No file upload required - 100% client-side processing
- Free to use with no registration needed
- Batch compress multiple files at once
- Optimised compression algorithms for best results
- Works on all modern browsers and devices
- No file size limits or compression quotas
Learn More About File Compression
Explore these authoritative resources to deepen your understanding of file compression and optimisation.
MDN Web Docs: Image Optimisation
Comprehensive guide on image optimisation for web performance by Mozilla.
Google Web Fundamentals: Image Optimisation
Best practices for image optimisation from Google's web performance team.
W3C WebP Specification
Official W3C specification for the WebP image format.