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Install hdrview using Winget - wingetCollections
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hdrview wkjarosz

comparison-tool exr hdr hdr-images high-dynamic-range image image-processing macos openexr pfm
Use this command to install hdrview:
winget install --id=wkjarosz.hdrview -e

HDRView is a research-oriented image viewer designed to facilitate the examination and comparison of high-dynamic range (HDR) images. It supports a wide range of HDR and standard low-dynamic range (LDR) image formats, including EXR, HDR, PFM, PNG, JPEG, and more.

Key Features:

  • Multi-format support: Read and write various HDR formats (EXR, HDR, PFM, Ultra HDR JPEG) and standard LDR formats (PNG, JPEG, BMP, etc.).
  • True HDR display: Supports extended dynamic range (EDR) on compatible Apple displays and 10-bit monitors for accurate HDR visualization.
  • Cross-platform compatibility: Runs on macOS, Linux, Windows, and modern web browsers, including mobile devices like iPhones and iPads.
  • Pixel inspection tools: Overlay pixel grids and numeric color values to facilitate detailed image analysis.
  • Keyboard shortcuts and command palette: Enhance workflow efficiency with extensive keyboard shortcuts and a fuzzy-search command palette.

Audience & Benefit: Ideal for researchers, photographers, and professionals working with HDR content. HDRView provides precise tools to examine, compare, and analyze HDR images while supporting cross-platform workflows for seamless integration into existing projects.

HDRView can be installed via winget on compatible systems, ensuring easy setup for users across different operating environments.

README

HDRView

Master branch: macOS build Linux build Windows build

HDRView is a simple research-oriented high-dynamic range image viewer with an emphasis on examining and comparing images. HDRView currently supports reading (EXR, HDR, PFM, and Ultra HDR JPEG) and writing (EXR, HDR, PFM) several HDR image formats, as well as reading (PNG, TGA, BMP, JPG, GIF, PNM, and PSD) and writing (PNG, TGA, PPM, PFM, and BMP) standard LDR images.

HDRView can display images in true HDR on Apple extended dynamic range (EDR) and 10-bit displays.

HDRView runs on macOS, Linux, Windows, and directly in your browser -- just go to wkjarosz.github.io/hdrview/ for the latest release version and wkjarosz.github.io/hdrview/dev for the development version. This even works on an iPhone or iPad! Try it out.

Example screenshots

Here's a screenshot of HDRView viewing a JPEG on macOS: Screenshot

Or, running on an iPad as a webapp, viewing a luminance-chroma EXR image stored using XYZ primaries with chroma subsampling: Screenshot

When sufficiently zoomed in, HDRView can overlay the pixel grid and numeric color values on each pixel to facilitate inspection: Screenshot

HDRView features extensive keyboard shortcuts, and pressing Cmd+Shift+P brings up a VS Code/Atom/Sublime Text-style command palette allowing you to find any command with keyboard-based fuzzy searching: Screenshot

HDRView supports the extended dynamic range (XDR, 30 bit) capabilities of recent Macs, allowing it to use finer precision (reducing banding) and brighter whites (reducing clipping) when displaying HDR images.

When displaying images on a standard dynamic range (SDR, 24 bit) display (or saving to an LDR file format), HDRView uses blue-noise dithering:

Versions
2.6.0
2.5.3
2.5.2
2.5.1
2.5.0
2.4.0
2.3.0
2.2.1
2.0.1
Website
github.com
License
Last updated
9/1/2025
Download latest version
Screenshot

This reduces apparent banding artifacts in smooth gradients compared to naively displaying HDR images on such displays: Screenshot

Obtaining/running HDRView

If you are running a recent version of macOS or Windows, you can download the pre-built binary installer DMG or zip file from the releases page. For Linux, you will need to build HDRView from source for now. Or, just run the web app version directly in your browser.

Compiling

Compiling from scratch requires CMake and a recent version of the XCode build tools on macOS, Visual Studio on Windows, and GCC on Linux.

Compiling should be as simple as:

1 ~ % git clone https://github.com/wkjarosz/hdrview.git
2 ~ % cd hdrview
3 ~ % mkdir build
4 ~ % cmake -B build
5 ~ % cmake --build build/ --parallel 4

On macOS and Linux you can add -G Ninja to line 4 (on Windows Ninja fails to build the OpenEXR dependency).

To support Ultra HDR JPEG images, you will either need to have the dependencies for libultrahdr (namely libjpeg-turbo) installed, or pass the option -DUHDR_BUILD_DEPS=ON in line 4.

Alternatively, you should be able to do all this via VS Code if you have the CMake extension set up properly.

Or, you can start via cmake-gui if you prefer. Run Configure and select your desired build system. Then click Generate. Then open the solution/project/makefile in your IDE of choice.

Installation

On macOS you can just copy the HDRView.app bundle to your /Applications folder.

On Windows you'll need to copy HDRView.exe together with the accompanying assets folder to your desired installation location.

Recent version of macOS will complain that the app is unsigned and from an unknown developer. You will need to go to the Security and Privacy part of system Settings to allow the app to run.

Running from the terminal

You can also run HDRView from the terminal. Run HDRView --help to see the command-line options. On macOS the executable is stored within the app bundle in HDRView.app/Contents/MacOS/HDRView. You might want to add it, or a symlink, to your path.

License

Copyright (c) Wojciech Jarosz

3-clause BSD. For details, see the LICENSE.txt file.

HDRView builds on a number libraries. See the details in the Credits tab of the About dialog.