Image Upscaler
Enlarge images up to 4× with smart smoothing — better than plain nearest-neighbor.
🔒 100% private — runs in your browser⚡ Free forever🎯 No watermark
About this tool
Upscale images 2× with smoothing — enlarge small photos without pixelation.
Unlike most online tools, Image Upscaler never uploads your files. Everything is processed locally on your device using modern browser APIs — your videos, audio and images stay private, and there are no file-size limits or queues.
Frequently asked questions
No AI magic here — it enlarges with high-quality smoothing. It looks better than nearest-neighbor but can't invent detail AI-style.
2× is the sweet spot. 4× works for small icons but can look soft on photos.
Yes — free, private, no upload.
Guides for Image Upscaler
Step-by-step tutorials & format comparisons.
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