ID Photo Watermark Maker is a completely offline watermark tool for ID photos and documents. 【Key Features】 • Watermark Editor: Customize text, font, color, opacity, rotation, and tiling • A4 Copy Mode: Scale photos to A4 size at 300DPI • Batch Processing: Process up to 20 images with progress tracking • Multi-format Export: JPEG, PNG, PDF support 【Privacy Protection】 • Runs entirely offline with no network required • No personal data collection whatsoever • All image processing done locally on your device • Your photos never leave your device • No ads, no third-party services Simple, secure, efficient — ID Photo Watermark Maker.