Image Upscaler

Client-SideOffline ReadyNo login required

Enhance and upscale low-resolution images without losing quality. Bring old or small photos back to life with crisp, clear, high-definition details.

Target Upscale:

Drag and drop your image here

Supports PNG, JPEG, and WebP up to 4K resolution. Enhanced 100% locally.

Select Photo to Upscale

High-Fidelity Lanczos3

Uses industrial-grade Lanczos3 sinc kernel interpolation combined with adaptive unsharp masking to enhance micro-contrast without ringing artifacts.

Interactive Split Slider

Inspect before-and-after results in real time with our smooth draggable slider, side-by-side view, or full-resolution view.

100% Client-Side Privacy

Zero server latency and zero data leakage. All pixel resampling executes securely inside your web browser via HTML5 Canvas and WebAssembly.

Frequently Asked Questions

Is Image Upscaler free to use?
Yes, Image Upscaler is 100% free to use on AgentXAlpha. There are no subscriptions, registration requirements, or hidden daily limits.
How does Image Upscaler protect my privacy and data?
Image Upscaler executes entirely client-side inside your browser memory using modern Web APIs. Your input and files are never uploaded to any remote server or third party.
Does Image Upscaler work on mobile devices?
Yes, Image Upscaler is fully responsive and optimized for touchscreens and desktop screens alike across iOS, Android, macOS, Windows, and Linux.
What are the main features of Image Upscaler?
Enhance and upscale low-resolution images without losing quality. Bring old or small photos back to life with crisp, clear, high-definition details. It is engineered for fast, zero-latency execution directly in your browser.
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