Image Scaler
Enhance resolution up to 4x or instantly downscale.
Click or drag an image here
Pro Tip: You can also press Ctrl + V to paste an image directly.
Local Storage Sense
Available Storage On Disk: 10.0 GB
How to use our AI Upscaler
How to Use the Free AI Image Upscaler
Our local AI image upscaler allows you to enhance the resolution of your photos up to 4x without losing quality. To get started, simply drag and drop your image into the upload area or click to select a file from your device. Once your image is loaded, use the dropdown menu to select your desired target scale (e.g., 2x or 4x). For the processing method, you can choose "AI Enhanced" for the highest quality results, or "Native" for a rapid resize using standard bicubic interpolation. Click "Upscale Image" and watch the magic happen.
Why Use a Local AI Upscaler?
Privacy is our top priority. Unlike cloud-based photo editors that upload your sensitive images to remote servers, Local Image Tools processes everything directly inside your web browser. Using WebAssembly and advanced machine learning models (like Swin2SR), your device's CPU or GPU handles the heavy lifting. Your files never leave your computer, ensuring 100% data privacy. Furthermore, since there are no server costs, this tool remains entirely free to use with no hidden fees or subscriptions.
Frequently Asked Questions
- What image formats do you support? You can upload standard JPEG, PNG, and WebP files.
- Why does 4x take so much longer? AI upscaling is highly hardware-intensive. A 4x scale requires significantly more mathematical computations than a 2x scale. To prevent your browser from crashing, we intelligently split the image into smaller chunks and process them sequentially.
- How do I save my image? Once the upscaling is complete, click the "Export Options" button. You can choose to download your new high-resolution image as a lossless PNG, a compressed WebP, or a standard JPEG, and even adjust the quality slider to save disk space.