Online Grayscale Tool
Convert any image to grayscale (black and white) in your browser. Upload, preview, and download—client-side only.
Frequently Asked Questions
- How does grayscale work?
- The tool converts each pixel to a single luminance value (gray), removing color information.
- Is my image sent to a server?
- No. All processing happens in your browser using the Canvas API.
- What file formats can I use?
- You can upload any image (JPEG, PNG, WebP, etc.). The result is downloaded as PNG.
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