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ImgShrink · Smart Image Compression

Shrink PNG / JPEG / WebP in one click. Everything runs locally in your browser — your images never leave your device.

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Drop images here

or click to choose · or press Ctrl/⌘+V to paste · multiple files supported

FAQ

Is there a free alternative to TinyPNG?

Yes. This is a free, privacy-first alternative to TinyPNG. PNG, JPEG and WebP are all compressed inside your browser — no upload, no sign-up, and no per-file size limit on the free tier.

How does it compress PNG without visible quality loss?

PNG files are quantized to an optimized color palette (the same idea as TinyPNG), dropping redundant colors while staying visually near-identical. JPEG and WebP are re-encoded at an adjustable quality.

Are my images uploaded to a server?

No. All compression runs locally in your browser using Canvas and the UPNG engine. Your images never leave your device, which is safer than server-based compressors.

What image formats are supported?

PNG, JPEG and WebP. PNG transparency is preserved; JPEG is flattened onto a white background.