Tuulo

Upscale image

For when you need a bigger image than you have.

Everything happens in your browser: your files are never uploaded to a server.

How to use it

  1. Upload the image.
  2. Pick x2, x3 or x4.
  3. Adjust sharpening and download.

FAQ

Are my files uploaded?

No. Everything is processed in your browser; nothing leaves your device.

Does it use AI?

No: it uses high-quality interpolation and sharpening in your browser. Softer than AI, but it never invents detail.

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