This is Marvin's Image Converter, a powerful client-side batch image processing tool. Features include: batch image conversion to WebP/JPEG/PNG formats, image quality adjustment (10-95%), image resizing with percentage scaling, image transformations (rotate, flip horizontal/vertical), real-time preview with zoom and pan, drag-and-drop file upload, multi-language support (German, English, Spanish, French, Arabic, Chinese, Japanese, Korean, Russian), dark/light theme toggle, ZIP download of processed images, memory-efficient processing, privacy-first (no server upload), mobile-responsive design, and comprehensive error handling. The tool processes images entirely in the browser using HTML5 Canvas API for maximum privacy and performance.

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