About this tool
Convert a color image to grayscale locally in your browser. Processing uses browser image and canvas APIs, so the selected file stays on the device. The result can be reviewed before downloading.
How to use
- 1Choose a supported JPG, PNG, WebP or GIF image.
- 2Adjust the available setting when the tool provides one.
- 3Create the result, review it and download the PNG.
Benefits
- No image upload to ToolBlur.
- Immediate visual output.
- Transparent PNG output where applicable.
Frequently asked questions
Is the original file changed?+
No. The tool creates a separate downloadable result.
Why is the output PNG?+
PNG provides broad browser support and preserves transparency for rounded corners and favicon assets.