Image CompressionImage Compressor
Image Compression Ratio Guide: What to Expect
Understanding compression ratios for JPG, PNG, and WEBP formats.
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Compression ratio tells you how much smaller the file gets. JPG photos achieve 5:1 to 10:1 ratios. PNG graphics manage 2:1 to 3:1. WEBP is 30-50% smaller than JPG.
Understanding these ratios helps set realistic expectations for your image optimization efforts.
Step-by-Step Guide
1
Know Your Format
JPG: 5-10:1. PNG: 2-3:1. WEBP: 30-50% better than JPG.
2
Set Target Ratio
Web: 3-5:1. Email: 5-10:1. Archive: 2:1 lossless.
3
Apply Compression
Use our tool to achieve your target ratio.
💡 Pro Tips
- •JPG photos: 5:1 to 10:1 with minimal quality loss
- •PNG: 2:1 to 3:1 (lossless)
- •WEBP: 30-50% smaller than JPG at same quality
- •Never go below 30% quality — artifacts appear
Common Use Cases
Web Performance
Target 3:1 for optimal web performance.
Storage
Use 5:1 to reduce storage requirements.
Frequently Asked Questions
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