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Image Compressor
Reduce image file size online without losing visible quality. Supports JPEG, PNG, and WebP. Free, private, and instant.
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How to Compress an Image
- Upload an image (JPG, PNG, or WebP) by clicking Choose Image or dragging it in.
- Adjust the quality slider — lower values create smaller files, higher values retain more detail.
- Optionally change the output format to WebP for even better compression.
- Click Download to save your compressed image.
What is lossy vs lossless compression?
Lossy compression (JPEG, WebP) discards some image data to achieve smaller files — usually invisible to the human eye at quality settings of 70%+. Lossless compression (PNG) reduces file size without discarding any data, but the size reduction is smaller.
Frequently Asked Questions
What quality setting should I use?
For photos shared online, 75–85% is the sweet spot — significant size reduction with no visible quality loss. For thumbnails, 60–70% works well. For print, use 90%+.
Why is WebP better?
WebP is a modern format developed by Google that typically achieves 25–35% smaller files than JPEG at the same visual quality. It is supported by all modern browsers.