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AI Image Colorization

Colorize black-and-white images with a browser ONNX model or the REST API while keeping the grayscale guardrail.

Upload a black-and-white or nearly monochrome image and let AI add natural color.

AI Image Colorization

Upload a black-and-white or nearly monochrome image and let AI add natural color.

Up to 10MB
JPG, PNG, WEBP, HEIC, HEIF supported
No pixel size limit

Click or drag to upload

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How to use

  • 1. Check the size and formats shown in the uploader, then choose or drag in your file
  • 2. Pixel limits: AI Upscale (2048×2048), AI Colorize (2048×2048), others (no limit)
  • 3. Run the tool you need and download the result
  • 4. Files are saved safely on your device

Security

  • • Each tool clearly identifies whether it uses browser or API processing
  • • Browser-processing tools do not upload files to a server
  • • Optional or required API tools may send the file only to complete that task
  • • Image file contents are not sent to analytics or advertising systems

Features

  • • All image tools in one place
  • • Background removal, resize, compress, format conversion, and more
  • • Download button activates when processing completes
  • • Fast and intuitive user interface
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How to colorize an old black-and-white photo with AI

Add AI-estimated color to family portraits, people, and landscapes, then compare the original and result with a slider.

Useful for

  • • Colorized previews of old family photos
  • • Black-and-white portraits and graduation photos
  • • Historical records and landscape previews

How it works

  1. 1. Upload a black-and-white image.
  2. 2. Run AI colorization.
  3. 3. Compare the result and download the PNG.

Processing note: AI estimates plausible colors from image context; it does not recover the exact original colors. Keep the source file for important records.

Continue your workflow

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Open a tool below and choose the result you just saved to continue.

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