Is 18IMG really free?

Yes. All 25 tools are free to use, with no signup, no file size limit, and no watermarks on output.

Are my images uploaded to a server?

No. Every operation runs entirely in your browser using WebAssembly. Your images never leave your device.

Do I need to create an account?

No. There is no signup, no login, and no tracking. Open the tool and start working immediately.

What file size limits exist?

There are no artificial limits. The only constraint is the memory of your device, since processing happens locally.

Does this add real detail?

The current version uses a high quality resampling. It does not hallucinate new detail like a true AI model would. For genuine detail synthesis, a real AI model would need to run in the browser.

What is the maximum scale?

Up to 4x. Larger scale factors are slow to compute and produce diminishing returns on small source images.

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