Image Upscaler (2× / 3× / 4×)

Enlarge photos 2×, 3× or 4× with high-quality multi-pass scaling — cleaner results than a single stretch.

In short
Image Upscaler enlarges photos 2×, 3× or 4× using multi-pass high-quality canvas scaling. It produces noticeably cleaner edges than a single stretch, without any AI model download or upload.

Processed 100% in your browser — your files never leave your device.

Frequently asked questions

Is this AI upscaling like Waifu2x or Real-ESRGAN?

No. This is high-quality bicubic-style resampling done in stages, which is much lighter and works offline. It won't invent detail — expect sharpness comparable to a good Photoshop resize.

What formats does it accept?

JPG, PNG and WebP go in; a PNG comes out to preserve transparency and avoid re-compression artifacts.

Are my files uploaded to a server?

No. Files are processed directly in your browser using JavaScript and WebAssembly. Nothing is uploaded to our servers, so your documents never leave your device.

Does it work on mobile?

Yes. The tools run in any modern browser on desktop, tablet, or mobile (Chrome, Edge, Safari, Firefox). Very large files may be slower on low-end phones.

International

This tool is also indexed for French, German and Arabic keywords.

Français

Agrandir une image sans perte — 2x 3x 4x gratuit

Agrandir une image en ligne gratuit : mise à l'échelle multi-passes 2×, 3× ou 4× pour des bords plus nets qu'un redimensionnement classique.

Deutsch

Bild vergrößern ohne Qualitätsverlust — 2x 3x 4x

Bild vergrößern kostenlos: Skaliert Fotos 2×, 3× oder 4× in mehreren Stufen für sichtbar schärfere Kanten als eine einfache Vergrößerung.

العربية

تكبير الصور بدون فقدان الجودة — 2x و 3x و 4x

تكبير الصور مجاناً: تكبير 2× أو 3× أو 4× في مراحل متعددة للحصول على حواف أوضح من التكبير العادي.