Kaidan.in

Make Image Black & White

Convert any color photo to black and white (grayscale) with one click. Useful for creating professional-looking documents, artistic effects, or improving scanned document readability.

🔒 100% client-side — your images never leave your device

Drag & drop or click to browse

JPEG, PNG, WebP, GIF, BMP, TIFF · Max 50MB

How to Use

  1. 1 Upload your color image
  2. 2 Grayscale filter is pre-selected at 100% intensity
  3. 3 Optionally adjust brightness/contrast for better results
  4. 4 Click "Process Image"
  5. 5 Download your black & white image

Pro Tips

  • • Increase contrast (+20 to +40) after applying B&W for more dramatic results
  • • B&W + high contrast makes scanned documents more readable
  • • Reduce intensity below 100% for a partially desaturated look
  • • Works great for professional headshots and document scans

Frequently Asked Questions

Is this the same as grayscale?
Yes. "Black and white" in digital photography means grayscale — each pixel is converted to a shade of grey based on its luminance (brightness).
Can I adjust the intensity?
Yes. The intensity slider controls how much color is removed. 100% = fully grayscale. Lower values create a partially desaturated effect.
Why make photos black and white?
Common reasons: artistic effect, document clarity, matching a specific requirement, reducing visual distraction, or creating a professional look for portfolios.
Does B&W reduce file size?
Slightly. Grayscale images compress better in JPEG because there's less color information. But the difference is usually small (10-20%).

Also try