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Grayscale Image
Drop your image here or browse
Supports JPG, PNG, WebP, HEIC
▸About this tool
Convert color photos to grayscale, sepia, or high-contrast black and white. Instant before/after preview.
▸Privacy and details
Your files never leave your device.
Fast browser processing with no account required.
Optimized for desktop and mobile with accessible controls.
▸How to use
- Upload your image by dragging it onto the upload area or clicking to browse.
- Select a mode: Grayscale (natural gray tones), Sepia (warm brown tones), or Black & White (pure black/white).
- For Black & White mode, adjust the threshold slider to control the cutoff point.
- Click Preview to see the before/after comparison.
- Click Download PNG to save the result.
▸Why use this tool
Grayscale conversion is useful for artistic effects, document scanning preparation, accessibility testing, or reducing image complexity. Black and white threshold conversion creates stark, high-contrast graphics from photos. All processing happens instantly in your browser.