Lumiscale

Upscale Tiny Images Online Free

For blowing up very small images (thumbnails, icons, tiny crops) beyond what other free tools allow.

Very small images — thumbnails, icons, tiny crops — need a lot of enlargement, and most free upscalers cap you at 2× or impose small input limits. This tool enlarges by 4× and, because it runs locally with tiled processing, isn't bound by the server caps competitors enforce, so you can take a tiny source much larger. AI super-resolution reconstructs detail as it works, so even a heavily-enlarged result looks far cleaner than a plain stretch. Everything runs in your browser with WebGPU where available, so nothing is uploaded and there's no per-image fee. Use it to rescue a thumbnail, enlarge a small logo, or blow up a tight crop for a larger use. There are limits — enlarging a tiny source enormously can only recover so much real detail — but for pushing small images well past typical caps, this gets you a usable, watermark-free, full-resolution result. Start as clean as possible for the best outcome.