tev is a free, open-source image viewer designed for accurate high-dynamic-range and extended-dynamic-range image inspection. It supports numerous professional formats, including OpenEXR, JPEG XL, AVIF, TIFF, and camera RAW files. The software provides color-managed rendering using ICC and CICP metadata to display images accurately across different devices. Users can inspect image layers, channels, pixel values, and color information in detail. Advanced analysis tools include histograms, tone mapping, image comparisons, and error metrics. Its optimized architecture enables rapid loading and navigation through large image collections. Available for Windows, macOS, and Linux, tev also supports command-line operation and remote image updates for rendering and visualization workflows.
Features
- High-dynamic-range image viewing with accurate ICC and CICP color management
- Extensive file format compatibility including OpenEXR, JPEG XL, AVIF, and RAW
- Multilayer image inspection with customizable channel selection and pixel analysis
- Image comparison tools with histograms, tone mapping, and quantitative error metrics
- Fast image loading with drag-and-drop navigation and convenient keyboard shortcuts
- TCP-based remote image control for rendering applications and visualization workflows