Does grayscale change image dimensions?
No. The output keeps the original image dimensions unless you use the separate resize tool.
FREE BROWSER-BASED IMAGE TOOL
Grayscale Converter
Convert a color image into grayscale in your browser. Create a monochrome version of your image in a few clicks.
Open Grayscale ConverterHow to use Grayscale Converter
Upload a JPG, PNG or WebP image, select an output format, process and download the grayscale result.
Images are processed in your browser for this tool. PixelTools does not upload your selected image to its own image-processing server.
Frequently asked questions
Can I keep PNG transparency?
Yes. Select PNG to preserve transparent pixels.