Does converting to grayscale reduce file size?

Yes. Removing color channels often results in a smaller file.

Can I revert the downloaded image back to color later?

No. Once downloaded, the grayscale image has no color data. Keep a copy of your original if you need color.

Is this tool free for commercial use?

Yes. You can process as many images as you like for free.

Grayscale vs black and white?

Grayscale uses many shades of gray for a smooth result. True black-and-white (1-bit) has only two colors and can look harsh; our tool produces grayscale for a natural look.

图片转灰度

The Grayscale Image converter strips color data from your photos, leaving a clean black-and-white tonal range. Useful for artistic editing, reducing print costs, or standardizing profile pictures. Conversion runs on the client side in your browser — instant for typical files.

免费 · 无限制 · 浏览器内处理

如何使用

1Upload your colored image file.
2The tool automatically applies the grayscale filter.
3Adjust contrast if needed.
4Download the black and white image.

常见问题

Does converting to grayscale reduce file size?: Yes. Removing color channels often results in a smaller file.
Can I revert the downloaded image back to color later?: No. Once downloaded, the grayscale image has no color data. Keep a copy of your original if you need color.
Is this tool free for commercial use?: Yes. You can process as many images as you like for free.
Grayscale vs black and white?: Grayscale uses many shades of gray for a smooth result. True black-and-white (1-bit) has only two colors and can look harsh; our tool produces grayscale for a natural look.