Enlarge photos and graphics by 200% (2x) or 400% (4x) with edge-preserving adaptive bicubic interpolation and detail sharpening.
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Fast, easy & 100% private in-browser processing in 3 simple steps.
Select any small photo, logo, or artwork you want to enlarge without jagged pixelation.
Choose 2x (double width and height) or 4x (quadruple resolution) with optional edge sharpening.
Download your high-resolution crisp image in lossless PNG or quality JPEG.
Engineered for speed, privacy, and maximum image fidelity.
Unlike traditional online converters, we do not store or process your images on our servers. All decoding happens right in your local browser sandbox.
Skip waiting for slow uploads and downloads. Local processing converts your high-resolution photos in fractions of a second.
Convert multiple files simultaneously. Export everything cleanly packed in a single ZIP file with one click.
Install this tool as a standalone application on your Desktop, Android, or iOS device. Access it anytime, even without an internet connection.
Unlike standard nearest-neighbor scaling which creates blocky pixels, our adaptive synthesis smooths diagonals while sharpening high-contrast edges.
Works seamlessly across Windows, macOS, Linux, ChromeOS, iOS Safari, and Android Chrome without installing any drivers or plugins.
Stretching low-resolution photos often results in blurry, pixelated results. Our Image Upscaler uses adaptive multi-pass pixel interpolation to double or quadruple your image dimensions while keeping edges crisp and colors vibrant.
Got questions about converting Image to Output? Find answers below.
Fast, 100% private in-browser tools for converting, compressing, resizing, cropping, and optimizing images.
Complete suite of private image processors, PDF utilities, and YouTube creator tools.
Save Image Upscaler to your browser favorites for quick one-click access anytime.