XuTurn

### Core Features 1. **Cross-device Web Console** Innovative "phone provides computing power, PC handles interaction" model. Connect by scanning a QR code in any browser under the same LAN, no client installation required. Bulk file management and task processing on a large screen deliver far higher efficiency than mobile touch operation. 2. **Full-featured PDF Toolkit** Covers image-to-PDF, PDF-to-image, merge & split, compression & encryption, page management, and watermarking. All files are rendered and composited locally with lossless quality. 3. **Image Processing** Supports file size compression, dimension adjustment, format conversion, and EXIF metadata removal for efficient organization of photos and media assets. 4. **High-speed LAN File Transfer** Enables two-way file transfer between phone and PC. It consumes no public network data, imposes no file size limits, and delivers ultra-fast, lossless transfer of original files. 5. **Encrypted File Vault** Built with AES-256 strong encryption storage, supports PIN code and gesture unlock. Sensitive files are stored locally and kept fully private. 6. **Pure Local Security Architecture** All feature operations run entirely on the local phone, with zero cloud uploads and no account tracking. It safeguards your data privacy right from the source.