Free Image Upscaler
Enlarge photos up to 4x with the Real-ESRGAN AI model — running 100% in your browser.
Drop in a JPG or PNG and hit Upscale. On first use the AI model downloads once (~5 MB, then cached for future visits) and all processing happens on your device — your photos are never sent to any server.
🔒 100% private — nothing is uploaded or stored.
All processing happens inside your browser using web-based AI. Your photo is never uploaded — it
is never sent to our servers and nothing is stored anywhere. The upscaled image exists only on
your device until you download it. The only download is the AI model itself (once, from
Hugging Face, then cached by your browser).
Drop an image here, or click to browse
JPG, PNG, WEBP, BMP — anything your browser can open
Powered by the open-source Real-ESRGAN model (BSD-3-Clause) running via ONNX Runtime Web (WASM or WebGPU). Model weights download from the Hugging Face Hub on first use and are cached by your browser.
