Upscale Image
Enlarge images up to 4x using ESRGAN AI — free, unlimited, runs in your browser. Your files never leave your device.
Drop image here or click to browse
JPG, PNG, WebP · up to 10 MB
AI upscaling runs entirely in your browser — no uploads
ESRGAN AI model runs entirely in your browser — images are never uploaded to any server.
Frequently Asked Questions
- What AI model is used for upscaling?
- ESRGAN (Enhanced Super-Resolution Generative Adversarial Network), which runs via TensorFlow.js in your browser.
- How big can I upscale an image?
- 2x and 4x upscaling are supported. For best results, start with images under 1000×1000 pixels. Very large images may slow down depending on your device.
- Is this tool free to use?
- Yes, completely free. No account, no subscription, no hidden limits.
- Are my files safe? Do you upload them?
- Your files never leave your device. All processing runs locally in your browser using JavaScript — nothing is sent to any server.
- Does it work on mobile?
- Yes, it works on all modern browsers including mobile Safari and Chrome on iOS and Android.