Compress image

Shrink an image by re-encoding it at a lower quality.

Drop a PNG, JPG, or WebP image here.

Output formatQuality · 80%

Features

Quality slider with live before/after preview and file-size comparison.
Choose JPG or WebP as the output codec for optimal compression.
Shows the exact byte savings and compression ratio so you know how much space you saved.

How it works

Drop a PNG, JPG or WebP image to see a live before/after comparison.
Drag the quality slider to control the compression level — the preview updates in real time.
Download the compressed image once you're satisfied with the size-to-quality ratio.

Your files never leave this page

Every conversion runs entirely in your browser using WebAssembly. There is no upload, no server-side processing, no analytics, and no cookies. Open DevTools → Network during the operation and you will see zero outbound traffic.

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Topics covered

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