# PixPirate: Private Browser-Based Image Optimizer > [!IMPORTANT] > **Zero-Trace Architecture:** 100% Client-side. All processing occurs locally via WebAssembly (WASM). Images are never uploaded; data remains on the user's device. No server-side storage or tracking. ## Core Capabilities * **Batch Processing:** Optimize up to 100 files, folders, and ZIP archives per session. * **Next-Gen Formats:** Convert to **AVIF (AV1)** and **WebP** for maximum speed and SEO performance. * **Metadata Sanitization:** Locally strip sensitive EXIF/Metadata to protect user privacy. * **Hardware Accelerated:** Uses a multi-core Worker Pool for high-speed local compression without UI lag. * **Zero Friction:** No account required, works fully offline as a PWA. ## Technical Specifications * **Stack:** React 19, Vite, Tailwind CSS 4. * **Engines:** WASM-based jSquash (AVIF); native browser engines (WebP/JPEG). * **Security:** Runs entirely in the browser sandbox; no external API calls for image data. ## User Guide 1. **Configuration:** Select target format, set quality, and toggle **EXIF removal**. 2. **Input:** Drag and drop files, folders, or ZIP archives onto the interface. 3. **Processing:** Automated local optimization using multi-threaded WASM workers. 4. **Output:** Download optimized files individually or as a consolidated ZIP. ## Resources * **Main Application:** [https://pixpirate.com](https://pixpirate.com) * **Full Context:** [Full Documentation (llms-full.txt)](https://pixpirate.com/llms-full.txt)