Image to Grayscale
Convert images to black and white online for free. One click applies a true grayscale filter — download as PNG, JPEG or WebP.
Drag & drop an image here, or click to choose
Everything runs locally in your browser — nothing is uploaded.
How to use
Upload an image and it is converted to grayscale instantly. Choose your output format and download the black-and-white result.
Frequently asked questions
Is the grayscale converter free?
Yes, completely free with no limits or signup.
Are my images uploaded?
No. The filter is applied locally in your browser via pixel processing.
What grayscale method is used?
The luminance method (0.299R + 0.587G + 0.114B), which matches how human eyes perceive brightness.
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