Image Tool

Grayscale Image Converter Online

Convert color photos to black and white online. Free grayscale converter for JPG, PNG, and WebP images.

Convert color photos to black and white online. Create classic monochrome images for print, design projects, or artistic effects.

Encrypted in transit · Auto-deleted after 60 min

Drag & drop your files

or click to browse from your device

JPG · JPEG · PNG · WEBP

Upload a file above to enable processing

How it works

How to convert an image to grayscale

  1. 1Upload a color image.
  2. 2Click Process file to convert to black and white.
  3. 3Download the grayscale image.

Why use this tool

  • JPG, PNG, and WebP supported
  • Instant processing and download
  • 100% free — no signup, account, or watermarks
  • Files automatically deleted after processing
  • Works on desktop, tablet, and mobile browsers

Common use cases

  • Convert color photos to black and white
  • Create monochrome graphics for print
  • Reduce file size by removing color data

Privacy and file safety

Files uploaded to Grayscale Image are transferred over HTTPS, processed on our servers, and automatically deleted after 60 minutes. We never share your files with third parties or use them for training. No account is required.

Supported formats and limits

.JPG, .JPEG, .PNG, .WEBP files up to 25 MB

Maximum file size: 25 MB per file · Retention: files deleted after 60 minutes · No signup or watermarks · Free to use — supported by ads

Help

Frequently Asked Questions

Is this tool free to use?
Yes, all tools are completely free with no signup required. The site is supported by ads.
Are my files safe?
Yes. Files are processed securely and automatically deleted after a short retention period. We never share your files with third parties.
What is the maximum file size?
You can upload files up to 25MB per file.
Will grayscale conversion reduce file size?
Often yes, especially for JPG output, since color information is removed.

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