Every pixel,
every plane.
VTCLab YUV Viewer is a browser-based tool for viewing and analyzing raw YUV video files. Multi-mode file comparison, precise pixel inspection, and support for every common format.
Key features
Broad format support
Planar (I420, YUV422, YUV444, YV12), semi-planar (NV12, NV21), and packed (YUYV, UYVY) formats out of the box.
Multi-mode comparison
Pair any two files and toggle between four views — single, side-by-side, draggable split, and amplified difference — to spot quality changes frame for frame.
Frame-by-frame navigation
Navigate through video frames with precise control. Jump to any frame instantly or step through sequentially.
Pixel inspection
Hover over any pixel to see its YUV and RGB values. Perfect for quality analysis and debugging.
Auto format detection
WASM-accelerated correlation analysis automatically detects format and resolution from filename patterns or file analysis.
Privacy-first
All processing happens locally in your browser. Your files are never uploaded to any server.