How do I convert an image to black and white?

Upload your image and click "Convert to Grayscale". The tool removes all color information and produces a black and white version instantly.

Can I convert multiple images to grayscale at once?

Yes. Upload multiple images and they will all be converted to grayscale. Download individually or as a ZIP.

Yes, completely free. No account required, no watermarks.

Yes. All processing happens in your browser using WebAssembly (ImageMagick). Your images never leave your device.

Convert any image to black and white (grayscale) instantly. Free, fast, and 100% private — your files never leave your browser. No upload required.

Drop images here, paste, or click to select

Features

Convert to grayscale without uploading

True grayscale — not a CSS filter

Batch convert multiple images

Preserves full image quality

Download all as ZIP archive

Works offline after first load

How to Use

Upload your images by drag & drop or click

Click Convert to Black & White

Download your grayscale images

black and white image convertergrayscale image onlineconvert image to black and whitegrayscale converterblack and white photo filterno uploadprivate

100% private — your images are processed in the browser and never uploaded to any server.