Can I accidentally enlarge in downscale mode?

No. Downscale mode blocks targets larger than the original dimensions.

No. Downscaling runs locally in your browser.

Downscale Image

Downscale images to smaller pixel dimensions for the web. High-quality Lanczos resize, private and free — files never leave your device.

Mode

Downscaling reduces pixel dimensions for faster pages. Accidental enlargement is blocked in this mode.

Resize image

Drag & drop images here, or choose from your device

JPG, PNG, WebP, AVIF and more · one image · private, in-browser

Serving images at display size improves load time and Core Web Vitals. Huge camera files waste bandwidth when CSS shrinks them.