How much quality do I lose?

JPEG and WebP are lossy, so a lower quality means fewer bytes and softer detail. PNG is re-encoded without quality loss.

Can I reach an exact file size?

For JPEG and WebP the tool searches for the highest quality that fits the target size you typed.

Compress

Compress a whole folder of images and download every result in one ZIP.

Drag files here, paste from the clipboard or choose them from your device.

Choose images

No image selected yet.

Output format

Quality75%

Lower means a smaller file.

Target size (KB)

The image is decoded and re-encoded with a lower quality setting, or with fewer pixels, until it fits the size you asked for.

How much quality do I lose?: JPEG and WebP are lossy, so a lower quality means fewer bytes and softer detail. PNG is re-encoded without quality loss.
Can I reach an exact file size?: For JPEG and WebP the tool searches for the highest quality that fits the target size you typed.