Compress JPEG, PNG & WebP Images Without Losing Quality
Reduce the size of your photos and images directly in your browser. CompressWizard uses smart WebAssembly compression to maintain visual quality while drastically reducing file size. Nothing ever leaves your device.
No visible loss
Smart compression algorithms that reduce size while maintaining visual quality. Imperceptible to the human eye.
100% local processing
Your images never leave your device. Everything is processed in your browser with WebAssembly.
JPEG, PNG & WebP
Supports the most common formats. Compress photos, screenshots, illustrations and more.
Preguntas Frecuentes
Does compression reduce image quality?▼
Smart algorithms reduce file size with minimal, imperceptible loss. You can adjust the quality level to your needs.
Are my photos uploaded to any server?▼
No. All processing happens in your browser using WebAssembly. Your images never leave your device.
What formats can I compress?▼
JPEG, PNG, and WebP — the most common formats for web, social media, and apps.
How much can file size be reduced?▼
It depends on the original image. Typical JPEGs are reduced by 50-70%. PNGs with solid color areas can be reduced up to 80%.
Can I compress multiple images at once?▼
Yes. Pro plan allows batches of up to 20 images. Business plan allows unlimited batches.
Does it work on mobile?▼
Yes. CompressWizard works in any modern browser including Chrome, Safari, and Firefox on phones and tablets.
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