tev
High dynamic range (HDR) image viewer for people who care about colors
...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.