Yes. Upscaler is completely free with no account and no sign-up.

Does Upscaler upload my data?

No. It runs entirely in your browser; your files and text are not uploaded to any server.

Do I need to install anything?

No install. It is a web app that works in any modern browser.

super-resolution · client-side

Upscaler.

Enlarge images and short videos right in your browser, AI super-resolution (Real-ESRGAN) for photos, or a fast high-quality resize. Nothing is uploaded.

source

Drop an image

or click · paste · PNG / JPG / WEBP

engine

scale

AI mode runs Real-ESRGAN locally (first run downloads the model, ~5 MB). Large images are tiled automatically.

run

idle · pick an image

load media, then upscale to preview here

originalupscaled