Images
Tools will load when you run.Image Upscaler≈
Enlarge an image 2×, 3× or 4× with Lanczos resampling and download a PNG.
Your result.
How to use Image Upscaler
- Choose your PNG, JPEG, WebP, GIF, BMP, TIFF, ICO.
- Upload a single-frame image and choose a scale factor. The output can contain up to 40 million pixels.
- Download the enlarged PNG. Resampling smooths edges but does not reconstruct missing detail with AI.
Formats and requirements
- Input formats
- PNG, JPEG, WebP, GIF, BMP, TIFF, ICO
- Output
- PNG
- Availability
- Free in your browser and through the CLI
- Files per operation
- 1
- Browser file limit
- 32 MiB per file, 32 MiB total
What to expect
Enlarges a single-frame image 2×, 3× or 4× with Lanczos resampling. This is not AI detail reconstruction. Exports PNG, up to 40 million output pixels.
Do my files leave my device?
No. Thanks to advanced file-processing technology, your files are processed directly on your device, inside your browser. OneKit does not receive your input files or results. Required public processing libraries may download when you first use the tool.
File privacy and local processing →