# RE Colorizer - AI Photo & Video Colorization > RE Colorizer is a Windows-based software that uses AI to colorize black and white photos and videos locally, ensuring 100% privacy. ## Core Value Proposition - **Privacy First**: All processing is done locally on the user's machine. No photos are uploaded to the cloud. - **Technology**: Built on DeOldify (GAN technology) by Jason Antic and Dana Kelley. - **OS Support**: Windows 10 and Windows 11. ## Software Versions ### LIGHT Version (v2.3.8) - **Status**: Freeware. - **Capabilities**: Photo colorization only, single file processing. - **Hardware**: Runs on CPU (standard i3/i5/i7). - **RAM**: 4GB minimum. ### PRO Version (In Development) - **Status**: Paid license. - **Capabilities**: Photos & Videos, batch processing (full folders). - **Hardware**: Requires NVIDIA GPU with CUDA support for high-speed rendering. - **RAM**: 8GB minimum (16GB recommended). ## Technical Features - **NoGAN Technology**: Optimized for realistic textures and historical accuracy. - **Render Factor**: Adjustable setting to fine-tune colorization resolution and quality. - **Simplified Setup**: Standalone installation, no Python or complex scripts required. ## Key Links - **Homepage**: https://recolorizer.com/ - **FAQ**: https://recolorizer.com/faq - **Engine Source**: https://github.com/jantic/DeOldify ## Contact & Credits - **Developer**: Philippe Mathis - **License**: Engine distributed under MIT License.