**PRT Foto Converter** PRT Foto Converter is a fast offline photo collage and image export tool built for product sellers, furniture shops, creators, and photo editors who need clean, ready-to-post images without complicated editing software. It helps you create professional 4-photo collages, apply premium filters, add Khmer or English watermarks, adjust colors, and export high-quality images in just a few clicks. The app works fully offline, supports Khmer Unicode text, and includes batch-friendly tools for saving time when working with many product photos. **Key Features** - Create clean product photo collages - Fast photo zoom, drag, crop, rotate, and resize controls - Premium live-preview filters - Brightness, contrast, saturation, hue, temperature, sharpen, shadows, and highlights tools - Khmer Unicode watermark support - Watermark color, opacity, size, and strength controls - Save one collage or export all collages - Choose output folder and format - Offline lifetime license activation - Built-in license key generator - Protected executable build - Runs as Administrator for stable file access **Perfect For** - Online shops - Furniture and home decor sellers - Product catalog photos - Facebook marketplace posts - Social media product previews - Batch product photo preparation