Image Tools

Grayscale Image Converter

Convert images to grayscale locally in your browser and download the converted file instantly.

Local conversion

No backend, no uploads, everything runs in the browser.

Live preview

See the grayscale version before downloading.

Easy workflow

Upload, preview, convert and download in one place.

Convert to grayscale

Upload any image and convert it to grayscale using the Canvas API.

Drag & drop an image

or click the button above to select a file.

Privacy notice

All grayscale conversion happens locally in your browser. No images leave your device.

The Canvas API converts pixel colors to grayscale values and exports a new image file.

Do the original colors remain safe?

Yes. The original file stays unchanged while you create a new grayscale version.

What formats are supported?

Most common image formats are supported by browser file input.

Is this browser-only?

Yes. All processing is done entirely in the browser.

How do I reset?

Click Reset to clear the selected image and preview.