Upscale and enhance images 2x, 3x, or 4x with high-quality interpolation
All processing happens in your browser. No data is sent to any server.
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Enlarge and enhance your images up to 4x their original size with this free online image upscaler. Choose from 2x, 3x, or 4x scale factors to get exactly the resolution you need. The tool uses advanced multi-step interpolation with high-quality Lanczos/bicubic smoothing to produce sharp, clear results — far better than a simple stretch or resize. Everything runs entirely in your browser. Your images are never uploaded to any server, so your privacy is fully protected. There are no file size limits imposed by a server, no waiting in a queue, and no watermarks on the output. Just upload your image, pick a scale, and download the result in seconds. This image upscaler is ideal for a wide range of use cases. Enlarge small profile pictures or thumbnails for use on websites and social media. Increase the resolution of screenshots, product photos, or scanned documents. Prepare low-resolution images for printing at a larger size. The step-up scaling algorithm processes the image in progressive 2x increments before reaching the final target size, which preserves sharpness and minimizes blurring at every stage. Supported input formats include JPG, PNG, and WebP. The output is always saved as PNG to ensure maximum quality with no compression artifacts. Whether you need a quick 2x enlargement or a full 4x upscale, this tool delivers fast, high-quality results directly in your browser.