Private by default
Processing happens inside your browser. We do not send files to an image-processing server.
Upscale Image
Enlarge an image 2×, 3× or 4× with fast canvas resampling or bundled local AI detail enhancement.
Runs on this deviceFree · no watermarkNo sign-up
Processed locally — your files never leave your device.
or drop images here
JPEG, PNG, WebP, AVIF, GIF, SVG, BMP, TIFF, HEIC, ICO, JPEG XL, QOI, Photoshop, RAW photo · processed locallyYour images will be processed on this device.Quick answer
Fast mode uses deterministic canvas resampling; optional AI detail mode runs a bundled Real-ESRGAN model in a local worker with no upload.
How to use this tool
- Select one image or a batch of images.
- Choose the output settings that fit your workflow.
- Process and download your new image. The original content stays untouched.
Batch-ready
Use the same settings for several files, then download them separately or in a ZIP.