id-photo-tool

name	id-photo-tool
description	Replace an ID photo background color (blue/white/red) and/or add a configurable text watermark when you need compliant ID-photo variants from local JPG/PNG files.
license	MIT
author	AIPOCH

Source: https://github.com/aipoch/medical-research-skills

When to Use

• You need to convert an ID photo background to a required solid color (blue/white/red) for official submissions.
• You need to add a visible “for application only” style watermark to prevent misuse of shared ID photos.
• You need to batch-generate multiple variants while keeping the original image unchanged (explicit output path).
• You need an offline, local-only tool (no network access) for processing sensitive personal images.

Key Features

• Background color replacement for ID photos:
  • Supported target colors: blue, white, red
  • Detects the dominant background color using edge pixels and replaces it using color-distance matching
• Text watermark overlay:
  • Supported positions: top-left, top-right, bottom-left, bottom-right, center
  • Configurable opacity, font size, and font color
• Input/output constraints:
  • Supports and only