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Image upscale

Upscale images 4× with Real-ESRGAN in your browser. Cache the ~5MB model once, then process without uploading files.

Content is processed only in your browser
Input
Drop one or more images
Up to 20 images. Keep the longest side at or below 2048 so 4× output stays around 8K.
Output
Add images first
Drop images, then start upscaling when the model is ready. You can also load an example.
Checking local model cache
Fixed 4× · max side 2048px
Image Upscale: 4× Super-Resolution in Your Browser | ToolsClub