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Image Compressor

Free

Compress images with intelligent algorithms — no quality loss. Your images never leave your device.

Drop images or click to upload

Supports JPEG, PNG, WebP, AVIF, GIF — batch upload supported

JPEGPNGWebPAVIFGIF

How the compression works

01

Smart Resize

Downscales only when needed to hit the target dimension, preserving aspect ratio perfectly.

02

Iterative Encoding

Runs multiple encode passes to find the exact quality level that satisfies your target — no guessing.

03

Canvas Re-encode

A final Canvas API pass fine-tunes the output format (WebP/AVIF/JPEG) and picks the smaller of both results.

🔒 Your images are 100% safe — nothing is uploaded to any server. Everything happens right here on your device, completely private.